diff --git a/test/objectFromPairs/objectFromPairs.test.js b/test/objectFromPairs/objectFromPairs.test.js
index a4cb21be0..d1d4db8f8 100644
--- a/test/objectFromPairs/objectFromPairs.test.js
+++ b/test/objectFromPairs/objectFromPairs.test.js
@@ -1,11 +1,9 @@
 const expect = require('expect');
 const objectFromPairs = require('./objectFromPairs.js');
 
-
-  test('objectFromPairs is a Function', () => {
+test('objectFromPairs is a Function', () => {
   expect(objectFromPairs).toBeInstanceOf(Function);
 });
   test('Creates an object from the given key-value pairs.', () => {
-  expect(objectFromPairs([['a', 1], ['b', 2]]), {a: 1).toEqual(b: 2})
+  expect(objectFromPairs([['a', 1], ['b', 2]])).toEqual({a: 1, b: 2});
 });
-  
diff --git a/test/objectToPairs/objectToPairs.test.js b/test/objectToPairs/objectToPairs.test.js
index 5937a1ae7..5db49742a 100644
--- a/test/objectToPairs/objectToPairs.test.js
+++ b/test/objectToPairs/objectToPairs.test.js
@@ -1,11 +1,9 @@
 const expect = require('expect');
 const objectToPairs = require('./objectToPairs.js');
 
-
-  test('objectToPairs is a Function', () => {
+test('objectToPairs is a Function', () => {
   expect(objectToPairs).toBeInstanceOf(Function);
 });
-  test('Creates an array of key-value pair arrays from an object.', () => {
-  expect(objectToPairs({ a: 1, b: 2 }), [['a',1],['b').toEqual(2]])
+test('Creates an array of key-value pair arrays from an object.', () => {
+  expect(objectToPairs({ a: 1, b: 2 })).toEqual([['a',1],['b', 2]]);
 });
-  
diff --git a/test/observeMutations/observeMutations.test.js b/test/observeMutations/observeMutations.test.js
index 1b6330663..314cdf633 100644
--- a/test/observeMutations/observeMutations.test.js
+++ b/test/observeMutations/observeMutations.test.js
@@ -1,10 +1,6 @@
 const expect = require('expect');
 const observeMutations = require('./observeMutations.js');
 
-
-  test('observeMutations is a Function', () => {
+test('observeMutations is a Function', () => {
   expect(observeMutations).toBeInstanceOf(Function);
 });
-  
-  
-
diff --git a/test/off/off.test.js b/test/off/off.test.js
index dc897dfcd..59b87132d 100644
--- a/test/off/off.test.js
+++ b/test/off/off.test.js
@@ -1,10 +1,6 @@
 const expect = require('expect');
 const off = require('./off.js');
 
-
-  test('off is a Function', () => {
+test('off is a Function', () => {
   expect(off).toBeInstanceOf(Function);
 });
-  
-  
-
diff --git a/test/offset/offset.test.js b/test/offset/offset.test.js
index 089f1ca48..73ee2fe04 100644
--- a/test/offset/offset.test.js
+++ b/test/offset/offset.test.js
@@ -1,27 +1,24 @@
 const expect = require('expect');
 const offset = require('./offset.js');
 
-
-  test('offset is a Function', () => {
+test('offset is a Function', () => {
   expect(offset).toBeInstanceOf(Function);
 });
-  test('Offset of 0 returns the same array.', () => {
-  expect(offset([1, 2, 3, 4, 5], 0), [1, 2, 3, 4, 5]).toEqual()
+test('Offset of 0 returns the same array.', () => {
+  expect(offset([1, 2, 3, 4, 5], 0)).toEqual([1, 2, 3, 4, 5]);
 });
-  test('Offset > 0 returns the offsetted array.', () => {
-  expect(offset([1, 2, 3, 4, 5], 2), [3, 4, 5, 1, 2]).toEqual()
+test('Offset > 0 returns the offsetted array.', () => {
+  expect(offset([1, 2, 3, 4, 5], 2)).toEqual([3, 4, 5, 1, 2]);
 });
-  test('Offset < 0 returns the reverse offsetted array.', () => {
-  expect(offset([1, 2, 3, 4, 5], -2), [4, 5, 1, 2, 3]).toEqual()
+test('Offset < 0 returns the reverse offsetted array.', () => {
+  expect(offset([1, 2, 3, 4, 5], -2)).toEqual([4, 5, 1, 2, 3]);
 });
-  test('Offset greater than the length of the array returns the same array.', () => {
-  expect(offset([1, 2, 3, 4, 5], 6),[1, 2, 3, 4, 5]).toEqual()
+test('Offset greater than the length of the array returns the same array.', () => {
+  expect(offset([1, 2, 3, 4, 5], 6)).toEqual([1, 2, 3, 4, 5]);
 });
-  test('Offset less than the negative length of the array returns the same array.', () => {
-  expect(offset([1, 2, 3, 4, 5], -6), [1, 2, 3, 4, 5]).toEqual()
+test('Offset less than the negative length of the array returns the same array.', () => {
+  expect(offset([1, 2, 3, 4, 5], -6)).toEqual([1, 2, 3, 4, 5]);
 });
-  test('Offsetting empty array returns an empty array.', () => {
-  expect(offset([], 3), []).toEqual()
+test('Offsetting empty array returns an empty array.', () => {
+  expect(offset([], 3)).toEqual([]);
 });
-  
-
diff --git a/test/omit/omit.test.js b/test/omit/omit.test.js
index eca259073..50339eef4 100644
--- a/test/omit/omit.test.js
+++ b/test/omit/omit.test.js
@@ -1,12 +1,9 @@
 const expect = require('expect');
 const omit = require('./omit.js');
 
-
-  test('omit is a Function', () => {
+test('omit is a Function', () => {
   expect(omit).toBeInstanceOf(Function);
 });
-  test('Omits the key-value pairs corresponding to the given keys from an object', () => {
-  expect(omit({ a: 1, b: '2', c: 3 }, ['b']), { 'a': 1, 'c': 3 }).toEqual()
+test('Omits the key-value pairs corresponding to the given keys from an object', () => {
+  expect(omit({ a: 1, b: '2', c: 3 }, ['b'])).toEqual({ 'a': 1, 'c': 3 });
 });
-  
-
diff --git a/test/omitBy/omitBy.test.js b/test/omitBy/omitBy.test.js
index 8fc3d26d9..b380731b6 100644
--- a/test/omitBy/omitBy.test.js
+++ b/test/omitBy/omitBy.test.js
@@ -1,12 +1,9 @@
 const expect = require('expect');
 const omitBy = require('./omitBy.js');
 
-
-  test('omitBy is a Function', () => {
+test('omitBy is a Function', () => {
   expect(omitBy).toBeInstanceOf(Function);
 });
-  test('Creates an object composed of the properties the given function returns falsey for', () => {
-  expect(omitBy({ a: 1, b: '2', c: 3 }, x => typeof x === 'number'), { b: '2' }).toEqual()
+test('Creates an object composed of the properties the given function returns falsey for', () => {
+  expect(omitBy({ a: 1, b: '2', c: 3 }, x => typeof x === 'number')).toEqual( { b: '2' });
 });
-  
-
diff --git a/test/on/on.test.js b/test/on/on.test.js
index d681556c5..8c1912742 100644
--- a/test/on/on.test.js
+++ b/test/on/on.test.js
@@ -1,10 +1,6 @@
 const expect = require('expect');
 const on = require('./on.js');
 
-
-  test('on is a Function', () => {
+test('on is a Function', () => {
   expect(on).toBeInstanceOf(Function);
 });
-  
-  
-
diff --git a/test/onUserInputChange/onUserInputChange.test.js b/test/onUserInputChange/onUserInputChange.test.js
index 8894c8a0c..675143979 100644
--- a/test/onUserInputChange/onUserInputChange.test.js
+++ b/test/onUserInputChange/onUserInputChange.test.js
@@ -1,10 +1,6 @@
 const expect = require('expect');
 const onUserInputChange = require('./onUserInputChange.js');
 
-
-  test('onUserInputChange is a Function', () => {
+test('onUserInputChange is a Function', () => {
   expect(onUserInputChange).toBeInstanceOf(Function);
 });
-  
-  
-
diff --git a/test/once/once.test.js b/test/once/once.test.js
index 04d9a77ed..ecd7ed6f0 100644
--- a/test/once/once.test.js
+++ b/test/once/once.test.js
@@ -1,10 +1,6 @@
 const expect = require('expect');
 const once = require('./once.js');
 
-
-  test('once is a Function', () => {
+test('once is a Function', () => {
   expect(once).toBeInstanceOf(Function);
 });
-  
-  
-
diff --git a/test/orderBy/orderBy.test.js b/test/orderBy/orderBy.test.js
index c5283fed5..48d838468 100644
--- a/test/orderBy/orderBy.test.js
+++ b/test/orderBy/orderBy.test.js
@@ -1,15 +1,13 @@
 const expect = require('expect');
 const orderBy = require('./orderBy.js');
 
-
-  test('orderBy is a Function', () => {
+test('orderBy is a Function', () => {
   expect(orderBy).toBeInstanceOf(Function);
 });
-  const users = [{ name: 'fred', age: 48 }, { name: 'barney', age: 36 }, { name: 'fred', age: 40 }];
-  test('Returns a sorted array of objects ordered by properties and orders.', () => {
-  expect(orderBy(users, ['name', 'age'], ['asc', 'desc']), [{name: 'barney', age: 36}, {name: 'fred', age: 48}, {name: 'fred').toEqual(age: 40}])
+const users = [{ name: 'fred', age: 48 }, { name: 'barney', age: 36 }, { name: 'fred', age: 40 }];
+test('Returns a sorted array of objects ordered by properties and orders.', () => {
+  expect(orderBy(users, ['name', 'age'], ['asc', 'desc'])).toEqual([{name: 'barney', age: 36}, {name: 'fred', age: 48}, {name: 'fred', age: 40}]);
 });
-  test('Returns a sorted array of objects ordered by properties and orders.', () => {
-  expect(orderBy(users, ['name', 'age']), [{name: 'barney', age: 36}, {name: 'fred', age: 40}, {name: 'fred').toEqual(age: 48}])
+test('Returns a sorted array of objects ordered by properties and orders.', () => {
+  expect(orderBy(users, ['name', 'age'])).toEqual( [{name: 'barney', age: 36}, {name: 'fred', age: 40}, {name: 'fred', age: 48}]);
 });
-  
diff --git a/test/over/over.test.js b/test/over/over.test.js
index 7071bf09f..1ca8f5885 100644
--- a/test/over/over.test.js
+++ b/test/over/over.test.js
@@ -1,13 +1,10 @@
 const expect = require('expect');
 const over = require('./over.js');
 
-
-  test('over is a Function', () => {
+test('over is a Function', () => {
   expect(over).toBeInstanceOf(Function);
 });
-  const minMax = over(Math.min, Math.max);
-  test('Applies given functions over multiple arguments', () => {
-  expect(minMax(1, 2, 3, 4, 5), [1,5]).toEqual()
+const minMax = over(Math.min, Math.max);
+test('Applies given functions over multiple arguments', () => {
+  expect(minMax(1, 2, 3, 4, 5)).toEqual([1,5]);
 });
-  
-
diff --git a/test/overArgs/overArgs.test.js b/test/overArgs/overArgs.test.js
index 0127c5993..2025c109c 100644
--- a/test/overArgs/overArgs.test.js
+++ b/test/overArgs/overArgs.test.js
@@ -1,15 +1,12 @@
 const expect = require('expect');
 const overArgs = require('./overArgs.js');
 
-
-  test('overArgs is a Function', () => {
+test('overArgs is a Function', () => {
   expect(overArgs).toBeInstanceOf(Function);
 });
-  const square = n => n * n;
-  const double = n => n * 2;
-  const fn = overArgs((x, y) => [x, y], [square, double]);
-  test('Invokes the provided function with its arguments transformed', () => {
-  expect(fn(9, 3), [81, 6]).toEqual()
+const square = n => n * n;
+const double = n => n * 2;
+const fn = overArgs((x, y) => [x, y], [square, double]);
+test('Invokes the provided function with its arguments transformed', () => {
+  expect(fn(9, 3)).toEqual([81, 6]);
 });
-  
-
diff --git a/test/pad/pad.test.js b/test/pad/pad.test.js
index 1b797df95..a90623980 100644
--- a/test/pad/pad.test.js
+++ b/test/pad/pad.test.js
@@ -1,21 +1,18 @@
 const expect = require('expect');
 const pad = require('./pad.js');
 
-
-  test('pad is a Function', () => {
+test('pad is a Function', () => {
   expect(pad).toBeInstanceOf(Function);
 });
-  test('cat is padded on both sides', () => {
-  expect(pad('cat',8), '  cat   ').toBe()
+test('cat is padded on both sides', () => {
+  expect(pad('cat',8)).toBe('  cat   ');
 });
   test('length of string is 8', () => {
-  expect(pad('cat',8).length, 8).toBe()
+  expect(pad('cat',8).length).toBe(8);
 });
   test('pads 42 with "0"', () => {
-  expect(pad(String(42), 6, '0'), '004200').toBe()
+  expect(pad(String(42), 6, '0')).toBe('004200');
 });
   test('does not truncates if string exceeds length', () => {
-  expect(pad('foobar', 3), 'foobar').toBe()
+  expect(pad('foobar', 3)).toBe('foobar');
 });
-  
-
diff --git a/test/palindrome/palindrome.test.js b/test/palindrome/palindrome.test.js
index 1ae5482bd..ae174bbec 100644
--- a/test/palindrome/palindrome.test.js
+++ b/test/palindrome/palindrome.test.js
@@ -1,14 +1,12 @@
 const expect = require('expect');
 const palindrome = require('./palindrome.js');
 
-
-  test('palindrome is a Function', () => {
+test('palindrome is a Function', () => {
   expect(palindrome).toBeInstanceOf(Function);
 });
-  test('Given string is a palindrome', () => {
-  expect(palindrome('taco cat')).toBe(true)
+test('Given string is a palindrome', () => {
+  expect(palindrome('taco cat')).toBeTruthy();
 });
-  test('Given string is not a palindrome', () => {
-  expect(palindrome('foobar')).toBe(false)
+test('Given string is not a palindrome', () => {
+  expect(palindrome('foobar')).toBeFalsy();
 });
-  
diff --git a/test/parseCookie/parseCookie.test.js b/test/parseCookie/parseCookie.test.js
index d7494447f..42e942538 100644
--- a/test/parseCookie/parseCookie.test.js
+++ b/test/parseCookie/parseCookie.test.js
@@ -1,12 +1,9 @@
 const expect = require('expect');
 const parseCookie = require('./parseCookie.js');
 
-
-  test('parseCookie is a Function', () => {
+test('parseCookie is a Function', () => {
   expect(parseCookie).toBeInstanceOf(Function);
 });
-  test('Parses the cookie', () => {
-  expect(parseCookie('foo=bar; equation=E%3Dmc%5E2'), { foo: 'bar', equation: 'E=mc^2' }).toEqual()
+test('Parses the cookie', () => {
+  expect(parseCookie('foo=bar; equation=E%3Dmc%5E2')).toEqual({ foo: 'bar', equation: 'E=mc^2' });
 });
-  
-
diff --git a/test/partial/partial.test.js b/test/partial/partial.test.js
index 8052974d4..5b3fd8f2b 100644
--- a/test/partial/partial.test.js
+++ b/test/partial/partial.test.js
@@ -1,16 +1,13 @@
 const expect = require('expect');
 const partial = require('./partial.js');
 
-
-  test('partial is a Function', () => {
+test('partial is a Function', () => {
   expect(partial).toBeInstanceOf(Function);
 });
-  function greet(greeting, name) {
-    return greeting + ' ' + name + '!';
-  }
-  const greetHello = partial(greet, 'Hello');
-  test('Prepends arguments', () => {
-  expect(greetHello('John'), 'Hello John!').toBe()
+function greet(greeting, name) {
+  return greeting + ' ' + name + '!';
+}
+const greetHello = partial(greet, 'Hello');
+test('Prepends arguments', () => {
+  expect(greetHello('John')).toBe('Hello John!');
 });
-  
-
diff --git a/test/partialRight/partialRight.test.js b/test/partialRight/partialRight.test.js
index ee2006517..7e04a83ba 100644
--- a/test/partialRight/partialRight.test.js
+++ b/test/partialRight/partialRight.test.js
@@ -1,16 +1,13 @@
 const expect = require('expect');
 const partialRight = require('./partialRight.js');
 
-
-  test('partialRight is a Function', () => {
+test('partialRight is a Function', () => {
   expect(partialRight).toBeInstanceOf(Function);
 });
-  function greet(greeting, name) {
-    return greeting + ' ' + name + '!';
-  }
-  const greetJohn = partialRight(greet, 'John');
-  test('Appends arguments', () => {
-  expect(greetJohn('Hello'), 'Hello John!').toBe()
+function greet(greeting, name) {
+  return greeting + ' ' + name + '!';
+}
+const greetJohn = partialRight(greet, 'John');
+test('Appends arguments', () => {
+  expect(greetJohn('Hello')).toBe('Hello John!');
 });
-  
-
diff --git a/test/partition/partition.test.js b/test/partition/partition.test.js
index 9e78206c2..b90671943 100644
--- a/test/partition/partition.test.js
+++ b/test/partition/partition.test.js
@@ -1,12 +1,10 @@
 const expect = require('expect');
 const partition = require('./partition.js');
 
-
-  test('partition is a Function', () => {
+test('partition is a Function', () => {
   expect(partition).toBeInstanceOf(Function);
 });
-  const users = [{ user: 'barney', age: 36, active: false }, { user: 'fred', age: 40, active: true }];
-  test('Groups the elements into two arrays, depending on the provided function's truthiness for each element.', () => {
-  expect(partition(users, o => o.active), [[{ 'user': 'fred',    'age': 40, 'active': true }],[{ 'user': 'barney',  'age': 36).toEqual('active': false }]])
+const users = [{ user: 'barney', age: 36, active: false }, { user: 'fred', age: 40, active: true }];
+test('Groups the elements into two arrays, depending on the provided function\'s truthiness for each element.', () => {
+  expect(partition(users, o => o.active)).toEqual([[{ 'user': 'fred', 'age': 40, 'active': true }],[{ 'user': 'barney',  'age': 36, 'active': false }]]);
 });
-  
diff --git a/test/percentile/percentile.test.js b/test/percentile/percentile.test.js
index 6d5a8b8ec..689c1be26 100644
--- a/test/percentile/percentile.test.js
+++ b/test/percentile/percentile.test.js
@@ -1,11 +1,9 @@
 const expect = require('expect');
 const percentile = require('./percentile.js');
 
-
-  test('percentile is a Function', () => {
+test('percentile is a Function', () => {
   expect(percentile).toBeInstanceOf(Function);
 });
-  test('Uses the percentile formula to calculate how many numbers in the given array are less or equal to the given value.', () => {
-  expect(percentile([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 6)).toBe(55)
+test('Uses the percentile formula to calculate how many numbers in the given array are less or equal to the given value.', () => {
+  expect(percentile([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 6)).toBe(55);
 });
-  
diff --git a/test/permutations/permutations.test.js b/test/permutations/permutations.test.js
index 9962dc9b8..3dee8589c 100644
--- a/test/permutations/permutations.test.js
+++ b/test/permutations/permutations.test.js
@@ -1,12 +1,9 @@
 const expect = require('expect');
 const permutations = require('./permutations.js');
 
-
-  test('permutations is a Function', () => {
+test('permutations is a Function', () => {
   expect(permutations).toBeInstanceOf(Function);
 });
-  test('Generates all permutations of an array', () => {
-  expect(permutations([1, 33, 5]), [ [ 1, 33, 5 ], [ 1, 5, 33 ], [ 33, 1, 5 ], [ 33, 5, 1 ], [ 5, 1, 33 ], [ 5, 33, 1 ] ]).toEqual()
+test('Generates all permutations of an array', () => {
+  expect(permutations([1, 33, 5])).toEqual([ [ 1, 33, 5 ], [ 1, 5, 33 ], [ 33, 1, 5 ], [ 33, 5, 1 ], [ 5, 1, 33 ], [ 5, 33, 1 ] ]);
 });
-  
-
diff --git a/test/pick/pick.test.js b/test/pick/pick.test.js
index f2bf03f98..95281c19a 100644
--- a/test/pick/pick.test.js
+++ b/test/pick/pick.test.js
@@ -1,11 +1,9 @@
 const expect = require('expect');
 const pick = require('./pick.js');
 
-
-  test('pick is a Function', () => {
+test('pick is a Function', () => {
   expect(pick).toBeInstanceOf(Function);
 });
-  test('Picks the key-value pairs corresponding to the given keys from an object.', () => {
-  expect(pick({ a: 1, b: '2', c: 3 }, ['a', 'c']), { 'a': 1).toEqual('c': 3 })
+test('Picks the key-value pairs corresponding to the given keys from an object.', () => {
+  expect(pick({ a: 1, b: '2', c: 3 }, ['a', 'c'])).toEqual({ 'a': 1, 'c': 3 });
 });
-  
diff --git a/test/pickBy/pickBy.test.js b/test/pickBy/pickBy.test.js
index 39c1d1420..1d302187c 100644
--- a/test/pickBy/pickBy.test.js
+++ b/test/pickBy/pickBy.test.js
@@ -1,12 +1,9 @@
 const expect = require('expect');
 const pickBy = require('./pickBy.js');
 
-
-  test('pickBy is a Function', () => {
+test('pickBy is a Function', () => {
   expect(pickBy).toBeInstanceOf(Function);
 });
-  test('Creates an object composed of the properties the given function returns truthy for.', () => {
-  expect(pickBy({ a: 1, b: '2', c: 3 }, x => typeof x === 'number'), { 'a': 1, 'c': 3 }).toEqual()
+test('Creates an object composed of the properties the given function returns truthy for.', () => {
+  expect(pickBy({ a: 1, b: '2', c: 3 }, x => typeof x === 'number')).toEqual({ 'a': 1, 'c': 3 });
 });
-  
-
diff --git a/test/pipeAsyncFunctions/pipeAsyncFunctions.test.js b/test/pipeAsyncFunctions/pipeAsyncFunctions.test.js
index b70731c9c..725fb196c 100644
--- a/test/pipeAsyncFunctions/pipeAsyncFunctions.test.js
+++ b/test/pipeAsyncFunctions/pipeAsyncFunctions.test.js
@@ -1,19 +1,15 @@
 const expect = require('expect');
 const pipeAsyncFunctions = require('./pipeAsyncFunctions.js');
 
-
-  test('pipeAsyncFunctions is a Function', () => {
+test('pipeAsyncFunctions is a Function', () => {
   expect(pipeAsyncFunctions).toBeInstanceOf(Function);
 });
-  t.equal(
-    await pipeAsyncFunctions(
-      (x) => x + 1,
-      (x) => new Promise((resolve) => setTimeout(() => resolve(x + 2), 0)),
-      (x) => x + 3,
-      async (x) => await x + 4,
-    )
-    (5),
-    15,
-    'pipeAsyncFunctions result should be 15'
-  );
-  
+test('pipeAsyncFunctions result should be 15', () => {
+  expect(await pipeAsyncFunctions(
+    (x) => x + 1,
+    (x) => new Promise((resolve) => setTimeout(() => resolve(x + 2), 0)),
+    (x) => x + 3,
+    async (x) => await x + 4,
+  )
+  (5)).toBe(15);
+});
diff --git a/test/pipeFunctions/pipeFunctions.test.js b/test/pipeFunctions/pipeFunctions.test.js
index 1f44b75e1..b121c9612 100644
--- a/test/pipeFunctions/pipeFunctions.test.js
+++ b/test/pipeFunctions/pipeFunctions.test.js
@@ -1,15 +1,12 @@
 const expect = require('expect');
 const pipeFunctions = require('./pipeFunctions.js');
 
-
-  test('pipeFunctions is a Function', () => {
+test('pipeFunctions is a Function', () => {
   expect(pipeFunctions).toBeInstanceOf(Function);
 });
-  const add5 = x => x + 5;
-  const multiply = (x, y) => x * y;
-  const multiplyAndAdd5 = pipeFunctions(multiply, add5);
-  test('Performs left-to-right function composition', () => {
-  expect(multiplyAndAdd5(5, 2), 15).toBe()
+const add5 = x => x + 5;
+const multiply = (x, y) => x * y;
+const multiplyAndAdd5 = pipeFunctions(multiply, add5);
+test('Performs left-to-right function composition', () => {
+  expect(multiplyAndAdd5(5, 2)).toBe(15);
 });
-  
-
diff --git a/test/pluralize/pluralize.test.js b/test/pluralize/pluralize.test.js
index 570d16520..2a61e63b9 100644
--- a/test/pluralize/pluralize.test.js
+++ b/test/pluralize/pluralize.test.js
@@ -1,29 +1,26 @@
 const expect = require('expect');
 const pluralize = require('./pluralize.js');
 
-
-  test('pluralize is a Function', () => {
+test('pluralize is a Function', () => {
   expect(pluralize).toBeInstanceOf(Function);
 });
-  test('Produces the plural of the word', () => {
-  expect(pluralize(0, 'apple'), 'apples').toBe()
+test('Produces the plural of the word', () => {
+  expect(pluralize(0, 'apple')).toBe('apples');
 });
-  test('Produces the singular of the word', () => {
-  expect(pluralize(1, 'apple'), 'apple').toBe()
+test('Produces the singular of the word', () => {
+  expect(pluralize(1, 'apple')).toBe('apple');
 });
-  test('Produces the plural of the word', () => {
-  expect(pluralize(2, 'apple'), 'apples').toBe()
+test('Produces the plural of the word', () => {
+  expect(pluralize(2, 'apple')).toBe('apples');
 });
-  test('Prodices the defined plural of the word', () => {
-  expect(pluralize(2, 'person', 'people'), 'people').toBe()
+test('Prodices the defined plural of the word', () => {
+  expect(pluralize(2, 'person', 'people')).toBe('people');
 });
-  const PLURALS = {
-    person: 'people',
-    radius: 'radii'
-  };
-  const autoPluralize = pluralize(PLURALS);
-  test('Works with a dictionary', () => {
-  expect(autoPluralize(2, 'person'), 'people').toBe()
+const PLURALS = {
+  person: 'people',
+  radius: 'radii'
+};
+const autoPluralize = pluralize(PLURALS);
+test('Works with a dictionary', () => {
+  expect(autoPluralize(2, 'person')).toBe('people');
 });
-  
-
diff --git a/test/powerset/powerset.test.js b/test/powerset/powerset.test.js
index 0e90083a5..50fd91f89 100644
--- a/test/powerset/powerset.test.js
+++ b/test/powerset/powerset.test.js
@@ -1,11 +1,9 @@
 const expect = require('expect');
 const powerset = require('./powerset.js');
 
-
-  test('powerset is a Function', () => {
+test('powerset is a Function', () => {
   expect(powerset).toBeInstanceOf(Function);
 });
-  test('Returns the powerset of a given array of numbers.', () => {
-  expect(powerset([1, 2]), [[], [1], [2], [2).toEqual(1]])
+test('Returns the powerset of a given array of numbers.', () => {
+  expect(powerset([1, 2])).toEqual([[], [1], [2], [2, 1]]);
 });
-  
diff --git a/test/prefix/prefix.test.js b/test/prefix/prefix.test.js
index 0949f258c..4f6e86f19 100644
--- a/test/prefix/prefix.test.js
+++ b/test/prefix/prefix.test.js
@@ -1,8 +1,6 @@
 const expect = require('expect');
 const prefix = require('./prefix.js');
 
-
-  test('prefix is a Function', () => {
+test('prefix is a Function', () => {
   expect(prefix).toBeInstanceOf(Function);
-});
-  
+});  
diff --git a/test/prettyBytes/prettyBytes.test.js b/test/prettyBytes/prettyBytes.test.js
index 4c6ede865..4bf4e3794 100644
--- a/test/prettyBytes/prettyBytes.test.js
+++ b/test/prettyBytes/prettyBytes.test.js
@@ -1,17 +1,15 @@
 const expect = require('expect');
 const prettyBytes = require('./prettyBytes.js');
 
-
-  test('prettyBytes is a Function', () => {
+test('prettyBytes is a Function', () => {
   expect(prettyBytes).toBeInstanceOf(Function);
 });
-  test('Converts a number in bytes to a human-readable string.', () => {
-  expect(prettyBytes(1000)).toBe('1 KB')
+test('Converts a number in bytes to a human-readable string.', () => {
+  expect(prettyBytes(1000)).toBe('1 KB');
 });
-  test('Converts a number in bytes to a human-readable string.', () => {
-  expect(prettyBytes(-27145424323.5821, 5)).toBe('-27.145 GB')
+test('Converts a number in bytes to a human-readable string.', () => {
+  expect(prettyBytes(-27145424323.5821, 5)).toBe('-27.145 GB');
 });
-  test('Converts a number in bytes to a human-readable string.', () => {
-  expect(prettyBytes(123456789, 3, false)).toBe('123MB')
+test('Converts a number in bytes to a human-readable string.', () => {
+  expect(prettyBytes(123456789, 3, false)).toBe('123MB');
 });
-  
diff --git a/test/primes/primes.test.js b/test/primes/primes.test.js
index 20ceb463f..b0561c953 100644
--- a/test/primes/primes.test.js
+++ b/test/primes/primes.test.js
@@ -1,11 +1,9 @@
 const expect = require('expect');
 const primes = require('./primes.js');
 
-
-  test('primes is a Function', () => {
+test('primes is a Function', () => {
   expect(primes).toBeInstanceOf(Function);
 });
-  test('Generates primes up to a given number, using the Sieve of Eratosthenes.', () => {
-  expect(primes(10), [2, 3, 5).toEqual(7])
+test('Generates primes up to a given number, using the Sieve of Eratosthenes.', () => {
+  expect(primes(10)).toEqual([2, 3, 5, 7]);
 });
-  
diff --git a/test/promisify/promisify.test.js b/test/promisify/promisify.test.js
index 52a4ed876..9a65b98fc 100644
--- a/test/promisify/promisify.test.js
+++ b/test/promisify/promisify.test.js
@@ -1,15 +1,14 @@
 const expect = require('expect');
 const promisify = require('./promisify.js');
 
-
-  test('promisify is a Function', () => {
+test('promisify is a Function', () => {
   expect(promisify).toBeInstanceOf(Function);
 });
-  const x = promisify(Math.max);
-  test('Returns a promise', () => {
+const x = promisify(Math.max);
+test('Returns a promise', () => {
   expect(x() instanceof Promise).toBeTruthy();
 });
+test('Runs the function provided', () => {
   const delay = promisify((d, cb) => setTimeout(cb, d));
-  delay(200).then(() => 
-  
-
+  delay(200).then(() => expect(true).toBeTruthy());
+});
diff --git a/test/pull/pull.test.js b/test/pull/pull.test.js
index f68af2f57..f08a416e9 100644
--- a/test/pull/pull.test.js
+++ b/test/pull/pull.test.js
@@ -1,14 +1,11 @@
 const expect = require('expect');
 const pull = require('./pull.js');
 
-
-  test('pull is a Function', () => {
+test('pull is a Function', () => {
   expect(pull).toBeInstanceOf(Function);
 });
-  let myArray = ['a', 'b', 'c', 'a', 'b', 'c'];
-  pull(myArray, 'a', 'c');
-  test('Pulls the specified values', () => {
-  expect(myArray, ['b','b']).toEqual()
+let myArray = ['a', 'b', 'c', 'a', 'b', 'c'];
+pull(myArray, 'a', 'c');
+test('Pulls the specified values', () => {
+  expect(myArray).toEqual(['b','b'])
 });
-  
-
diff --git a/test/pullAtIndex/pullAtIndex.test.js b/test/pullAtIndex/pullAtIndex.test.js
index a476f9496..4ebe0b1a5 100644
--- a/test/pullAtIndex/pullAtIndex.test.js
+++ b/test/pullAtIndex/pullAtIndex.test.js
@@ -1,17 +1,14 @@
 const expect = require('expect');
 const pullAtIndex = require('./pullAtIndex.js');
 
-
-  test('pullAtIndex is a Function', () => {
+test('pullAtIndex is a Function', () => {
   expect(pullAtIndex).toBeInstanceOf(Function);
 });
-  let myArray = ['a', 'b', 'c', 'd'];
-  let pulled = pullAtIndex(myArray, [1, 3]);
-  test('Pulls the given values', () => {
-  expect(myArray, [ 'a', 'c' ]).toEqual()
+let myArray = ['a', 'b', 'c', 'd'];
+let pulled = pullAtIndex(myArray, [1, 3]);
+test('Pulls the given values', () => {
+  expect(myArray).toEqual([ 'a', 'c' ]);
 });
   test('Pulls the given values', () => {
-  expect(pulled, [ 'b', 'd' ]).toEqual()
+  expect(pulled).toEqual([ 'b', 'd' ]);
 });
-  
-
diff --git a/test/pullAtValue/pullAtValue.test.js b/test/pullAtValue/pullAtValue.test.js
index 26bdf35ea..778f215bc 100644
--- a/test/pullAtValue/pullAtValue.test.js
+++ b/test/pullAtValue/pullAtValue.test.js
@@ -1,17 +1,14 @@
 const expect = require('expect');
 const pullAtValue = require('./pullAtValue.js');
 
-
-  test('pullAtValue is a Function', () => {
+test('pullAtValue is a Function', () => {
   expect(pullAtValue).toBeInstanceOf(Function);
 });
-  let myArray = ['a', 'b', 'c', 'd'];
-  let pulled = pullAtValue(myArray, ['b', 'd']);
-  test('Pulls the specified values', () => {
-  expect(myArray, [ 'a', 'c' ]).toEqual()
+let myArray = ['a', 'b', 'c', 'd'];
+let pulled = pullAtValue(myArray, ['b', 'd']);
+test('Pulls the specified values', () => {
+  expect(myArray).toEqual([ 'a', 'c' ]);
 });
   test('Pulls the specified values', () => {
-  expect(pulled, [ 'b', 'd' ]).toEqual()
+  expect(pulled).toEqual([ 'b', 'd' ]);
 });
-  
-
diff --git a/test/pullBy/pullBy.test.js b/test/pullBy/pullBy.test.js
index 6a6dc7d8c..a1a7f1852 100644
--- a/test/pullBy/pullBy.test.js
+++ b/test/pullBy/pullBy.test.js
@@ -1,14 +1,11 @@
 const expect = require('expect');
 const pullBy = require('./pullBy.js');
 
-
-  test('pullBy is a Function', () => {
+test('pullBy is a Function', () => {
   expect(pullBy).toBeInstanceOf(Function);
 });
-  var myArray = [{ x: 1 }, { x: 2 }, { x: 3 }, { x: 1 }];
-  pullBy(myArray, [{ x: 1 }, { x: 3 }], o => o.x);
-  test('Pulls the specified values', () => {
-  expect(myArray, [{ x: 2 }]).toEqual()
+var myArray = [{ x: 1 }, { x: 2 }, { x: 3 }, { x: 1 }];
+pullBy(myArray, [{ x: 1 }, { x: 3 }], o => o.x);
+test('Pulls the specified values', () => {
+  expect(myArray).toEqual([{ x: 2 }]);
 });
-  
-