diff --git a/test/RGBToHex/RGBToHex.test.js b/test/RGBToHex/RGBToHex.test.js
index f4bf6d773..70892c498 100644
--- a/test/RGBToHex/RGBToHex.test.js
+++ b/test/RGBToHex/RGBToHex.test.js
@@ -1,11 +1,9 @@
 const expect = require('expect');
 const RGBToHex = require('./RGBToHex.js');
 
-
-  test('RGBToHex is a Function', () => {
+test('RGBToHex is a Function', () => {
   expect(RGBToHex).toBeInstanceOf(Function);
 });
-  test('Converts the values of RGB components to a color code.', () => {
-  expect(RGBToHex(255, 165, 1)).toBe('ffa501')
+test('Converts the values of RGB components to a color code.', () => {
+  expect(RGBToHex(255, 165, 1)).toBe('ffa501');
 });
-  
diff --git a/test/quickSort/quickSort.test.js b/test/quickSort/quickSort.test.js
index a9b37e0d5..62ae9806e 100644
--- a/test/quickSort/quickSort.test.js
+++ b/test/quickSort/quickSort.test.js
@@ -1,28 +1,33 @@
 const expect = require('expect');
 const quickSort = require('./quickSort.js');
 
-
-  test('quickSort is a Function', () => {
+test('quickSort is a Function', () => {
   expect(quickSort).toBeInstanceOf(Function);
 });
-  test('quickSort([5, 6, 4, 3, 1, 2]) returns [1, 2, 3, 4, 5, 6]', () => {
-  expect(quickSort([5, 6, 4, 3, 1, 2]), [1, 2, 3, 4, 5, 6]).toEqual()
+test('quickSort([5, 6, 4, 3, 1, 2]) returns [1, 2, 3, 4, 5, 6]', () => {
+  expect(quickSort([5, 6, 4, 3, 1, 2])).toEqual([1, 2, 3, 4, 5, 6]);
 });
-  test('quickSort([-1, 0, -2]) returns [-2, -1, 0]', () => {
-  expect(quickSort([-1, 0, -2]), [-2, -1, 0]).toEqual()
+test('quickSort([-1, 0, -2]) returns [-2, -1, 0]', () => {
+  expect(quickSort([-1, 0, -2])).toEqual([-2, -1, 0]);
 });
-  t.throws(() => quickSort(), 'quickSort() throws an error');
-  t.throws(() => quickSort(123), 'quickSort(123) throws an error');
-  t.throws(() => quickSort({ 234: string}), 'quickSort({ 234: string}) throws an error');
-  t.throws(() => quickSort(null), 'quickSort(null) throws an error');
-  t.throws(() => quickSort(undefined), 'quickSort(undefined) throws an error');
-
-  let start = new Date().getTime();
-  quickSort([11, 1, 324, 23232, -1, 53, 2, 524, 32, 13, 156, 133, 62, 12, 4]);
-  let end = new Date().getTime();
-  test('quickSort([11, 1, 324, 23232, -1, 53, 2, 524, 32, 13, 156, 133, 62, 12, 4]) takes less than 2s to run', () => {
+test('quickSort() throws an error', () => {
+  expect(quickSort()).toThrow();
+});
+test('quickSort(123) throws an error', () => {
+  expect(quickSort(123)).toThrow();
+});
+test('quickSort({ 234: string}) throws an error', () => {
+  expect(quickSort({ 234: string})).toThrow();
+});
+test('quickSort(null) throws an error', () => {
+  expect(quickSort(null)).toThrow();
+});
+test('quickSort(undefined) throws an error', () => {
+  expect(quickSort(undefined)).toThrow();
+});
+let start = new Date().getTime();
+quickSort([11, 1, 324, 23232, -1, 53, 2, 524, 32, 13, 156, 133, 62, 12, 4]);
+let end = new Date().getTime();
+test('quickSort([11, 1, 324, 23232, -1, 53, 2, 524, 32, 13, 156, 133, 62, 12, 4]) takes less than 2s to run', () => {
   expect((end - start) < 2000).toBeTruthy();
 });
-
-  
-
diff --git a/test/radsToDegrees/radsToDegrees.test.js b/test/radsToDegrees/radsToDegrees.test.js
index e8e2cd6dd..5e7bdea5c 100644
--- a/test/radsToDegrees/radsToDegrees.test.js
+++ b/test/radsToDegrees/radsToDegrees.test.js
@@ -1,12 +1,9 @@
 const expect = require('expect');
 const radsToDegrees = require('./radsToDegrees.js');
 
-
-  test('radsToDegrees is a Function', () => {
+test('radsToDegrees is a Function', () => {
   expect(radsToDegrees).toBeInstanceOf(Function);
 });
-  test('Returns the appropriate value', () => {
-  expect(radsToDegrees(Math.PI / 2), 90).toBe()
+test('Returns the appropriate value', () => {
+  expect(radsToDegrees(Math.PI / 2)).toBe(90);
 });
-  
-
diff --git a/test/randomHexColorCode/randomHexColorCode.test.js b/test/randomHexColorCode/randomHexColorCode.test.js
index 8d75773ab..a7ded511b 100644
--- a/test/randomHexColorCode/randomHexColorCode.test.js
+++ b/test/randomHexColorCode/randomHexColorCode.test.js
@@ -1,16 +1,15 @@
 const expect = require('expect');
 const randomHexColorCode = require('./randomHexColorCode.js');
 
-
-  test('randomHexColorCode is a Function', () => {
+test('randomHexColorCode is a Function', () => {
   expect(randomHexColorCode).toBeInstanceOf(Function);
 });
-  t.equal(randomHexColorCode().length, 7);
-  test('The color code starts with "#"', () => {
+test('randomHexColorCode has to proper length', () => {
+  expect(randomHexColorCode().length).toBe(7);
+})
+test('The color code starts with "#"', () => {
   expect(randomHexColorCode().startsWith('#')).toBeTruthy();
 });
-  test('The color code contains only valid hex-digits', () => {
+test('The color code contains only valid hex-digits', () => {
   expect(randomHexColorCode().slice(1).match(/[^0123456789abcdef]/i) === null).toBeTruthy();
 });
-  
-
diff --git a/test/randomIntArrayInRange/randomIntArrayInRange.test.js b/test/randomIntArrayInRange/randomIntArrayInRange.test.js
index 1a58271fa..9a2c1acb3 100644
--- a/test/randomIntArrayInRange/randomIntArrayInRange.test.js
+++ b/test/randomIntArrayInRange/randomIntArrayInRange.test.js
@@ -1,21 +1,18 @@
 const expect = require('expect');
 const randomIntArrayInRange = require('./randomIntArrayInRange.js');
 
-
-  test('randomIntArrayInRange is a Function', () => {
+test('randomIntArrayInRange is a Function', () => {
   expect(randomIntArrayInRange).toBeInstanceOf(Function);
 });
-  const lowerLimit = Math.floor(Math.random() * 20);
-  const upperLimit = Math.floor(lowerLimit + Math.random() * 10);
-  const arr = randomIntArrayInRange(lowerLimit,upperLimit, 10);
-  test('The returned array contains only integers', () => {
+const lowerLimit = Math.floor(Math.random() * 20);
+const upperLimit = Math.floor(lowerLimit + Math.random() * 10);
+const arr = randomIntArrayInRange(lowerLimit,upperLimit, 10);
+test('The returned array contains only integers', () => {
   expect(arr.every(x => typeof x === 'number')).toBeTruthy();
 });
-  test('The returned array has the proper length', () => {
-  expect(arr.length, 10).toBe()
+test('The returned array has the proper length', () => {
+  expect(arr.length).toBe(10);
 });
-  test('The returned array\'s values lie between provided lowerLimit and upperLimit (both inclusive).', () => {
+test('The returned array\'s values lie between provided lowerLimit and upperLimit (both inclusive).', () => {
   expect(arr.every(x => (x >= lowerLimit) && (x <= upperLimit))).toBeTruthy();
 });
-  
-
diff --git a/test/randomIntegerInRange/randomIntegerInRange.test.js b/test/randomIntegerInRange/randomIntegerInRange.test.js
index 0394b74e8..ff19ca7f9 100644
--- a/test/randomIntegerInRange/randomIntegerInRange.test.js
+++ b/test/randomIntegerInRange/randomIntegerInRange.test.js
@@ -1,18 +1,15 @@
 const expect = require('expect');
 const randomIntegerInRange = require('./randomIntegerInRange.js');
 
-
-  test('randomIntegerInRange is a Function', () => {
+test('randomIntegerInRange is a Function', () => {
   expect(randomIntegerInRange).toBeInstanceOf(Function);
 });
-  const lowerLimit = Math.floor(Math.random() * 20);
-  const upperLimit = Math.floor(lowerLimit + Math.random() * 10);
-  test('The returned value is an integer', () => {
+const lowerLimit = Math.floor(Math.random() * 20);
+const upperLimit = Math.floor(lowerLimit + Math.random() * 10);
+test('The returned value is an integer', () => {
   expect(Number.isInteger(randomIntegerInRange(lowerLimit,upperLimit))).toBeTruthy();
 });
-  const numberForTest = randomIntegerInRange(lowerLimit,upperLimit);
-  test('The returned value lies between provided lowerLimit and upperLimit (both inclusive).', () => {
+const numberForTest = randomIntegerInRange(lowerLimit,upperLimit);
+test('The returned value lies between provided lowerLimit and upperLimit (both inclusive).', () => {
   expect((numberForTest >= lowerLimit) && (numberForTest <= upperLimit)).toBeTruthy();
 });
-  
-
diff --git a/test/randomNumberInRange/randomNumberInRange.test.js b/test/randomNumberInRange/randomNumberInRange.test.js
index 24b7419c0..b688cf3fe 100644
--- a/test/randomNumberInRange/randomNumberInRange.test.js
+++ b/test/randomNumberInRange/randomNumberInRange.test.js
@@ -1,18 +1,15 @@
 const expect = require('expect');
 const randomNumberInRange = require('./randomNumberInRange.js');
 
-
-  test('randomNumberInRange is a Function', () => {
+test('randomNumberInRange is a Function', () => {
   expect(randomNumberInRange).toBeInstanceOf(Function);
 });
-  const lowerLimit = Math.floor(Math.random() * 20);
-  const upperLimit = Math.floor(lowerLimit + Math.random() * 10);
-  test('The returned value is a number', () => {
+const lowerLimit = Math.floor(Math.random() * 20);
+const upperLimit = Math.floor(lowerLimit + Math.random() * 10);
+test('The returned value is a number', () => {
   expect(typeof randomNumberInRange(lowerLimit,upperLimit) === 'number').toBeTruthy();
 });
-  const numberForTest = randomNumberInRange(lowerLimit,upperLimit);
-  test('The returned value lies between provided lowerLimit and upperLimit (both inclusive).', () => {
+const numberForTest = randomNumberInRange(lowerLimit,upperLimit);
+test('The returned value lies between provided lowerLimit and upperLimit (both inclusive).', () => {
   expect((numberForTest >= lowerLimit) && (numberForTest <= upperLimit)).toBeTruthy();
 });
-  
-
diff --git a/test/readFileLines/readFileLines.test.js b/test/readFileLines/readFileLines.test.js
index 800f0ef4c..604c87d79 100644
--- a/test/readFileLines/readFileLines.test.js
+++ b/test/readFileLines/readFileLines.test.js
@@ -1,10 +1,6 @@
 const expect = require('expect');
 const readFileLines = require('./readFileLines.js');
 
-
-  test('readFileLines is a Function', () => {
+test('readFileLines is a Function', () => {
   expect(readFileLines).toBeInstanceOf(Function);
 });
-  
-  
-
diff --git a/test/rearg/rearg.test.js b/test/rearg/rearg.test.js
index c2cd186cf..28a589db3 100644
--- a/test/rearg/rearg.test.js
+++ b/test/rearg/rearg.test.js
@@ -1,18 +1,15 @@
 const expect = require('expect');
 const rearg = require('./rearg.js');
 
-
-  test('rearg is a Function', () => {
+test('rearg is a Function', () => {
   expect(rearg).toBeInstanceOf(Function);
 });
-  var rearged = rearg(
-    function(a, b, c) {
-      return [a, b, c];
-    },
-    [2, 0, 1]
-  );
-  test('Reorders arguments in invoked function', () => {
-  expect(rearged('b', 'c', 'a'), ['a', 'b', 'c']).toEqual()
+var rearged = rearg(
+  function(a, b, c) {
+    return [a, b, c];
+  },
+  [2, 0, 1]
+);
+test('Reorders arguments in invoked function', () => {
+  expect(rearged('b', 'c', 'a')).toEqual(['a', 'b', 'c']);
 });
-  
-
diff --git a/test/recordAnimationFrames/recordAnimationFrames.test.js b/test/recordAnimationFrames/recordAnimationFrames.test.js
index 5c6af20dc..7c95d8452 100644
--- a/test/recordAnimationFrames/recordAnimationFrames.test.js
+++ b/test/recordAnimationFrames/recordAnimationFrames.test.js
@@ -1,8 +1,6 @@
 const expect = require('expect');
 const recordAnimationFrames = require('./recordAnimationFrames.js');
 
-
-  test('recordAnimationFrames is a Function', () => {
+test('recordAnimationFrames is a Function', () => {
   expect(recordAnimationFrames).toBeInstanceOf(Function);
 });
-  
diff --git a/test/redirect/redirect.test.js b/test/redirect/redirect.test.js
index e6d1e43b7..831a1d75d 100644
--- a/test/redirect/redirect.test.js
+++ b/test/redirect/redirect.test.js
@@ -1,10 +1,6 @@
 const expect = require('expect');
 const redirect = require('./redirect.js');
 
-
-  test('redirect is a Function', () => {
+test('redirect is a Function', () => {
   expect(redirect).toBeInstanceOf(Function);
 });
-  
-  
-
diff --git a/test/reduceSuccessive/reduceSuccessive.test.js b/test/reduceSuccessive/reduceSuccessive.test.js
index 67afd53df..5045bed01 100644
--- a/test/reduceSuccessive/reduceSuccessive.test.js
+++ b/test/reduceSuccessive/reduceSuccessive.test.js
@@ -1,12 +1,9 @@
 const expect = require('expect');
 const reduceSuccessive = require('./reduceSuccessive.js');
 
-
-  test('reduceSuccessive is a Function', () => {
+test('reduceSuccessive is a Function', () => {
   expect(reduceSuccessive).toBeInstanceOf(Function);
 });
-  test('Returns the array of successively reduced values', () => {
-  expect(reduceSuccessive([1, 2, 3, 4, 5, 6], (acc, val) => acc + val, 0), [0, 1, 3, 6, 10, 15, 21]).toEqual()
+test('Returns the array of successively reduced values', () => {
+  expect(reduceSuccessive([1, 2, 3, 4, 5, 6], (acc, val) => acc + val, 0)).toEqual([0, 1, 3, 6, 10, 15, 21]);
 });
-  
-
diff --git a/test/reduceWhich/reduceWhich.test.js b/test/reduceWhich/reduceWhich.test.js
index 832168d05..dc9625699 100644
--- a/test/reduceWhich/reduceWhich.test.js
+++ b/test/reduceWhich/reduceWhich.test.js
@@ -1,19 +1,18 @@
 const expect = require('expect');
 const reduceWhich = require('./reduceWhich.js');
 
-
-  test('reduceWhich is a Function', () => {
+test('reduceWhich is a Function', () => {
   expect(reduceWhich).toBeInstanceOf(Function);
 });
-  test('Returns the minimum of an array', () => {
-  expect(reduceWhich([1, 3, 2]), 1).toBe()
+test('Returns the minimum of an array', () => {
+  expect(reduceWhich([1, 3, 2])).toBe(1);
 });
-  test('Returns the maximum of an array', () => {
-  expect(reduceWhich([1, 3, 2], (a, b) => b - a), 3).toBe()
+test('Returns the maximum of an array', () => {
+  expect(reduceWhich([1, 3, 2], (a, b) => b - a)).toBe(3);
 });
-  t.deepEqual(reduceWhich(
+test('Returns the object with the minimum specified value in an array', () => {
+  expect(reduceWhich(
   [{ name: 'Tom', age: 12 }, { name: 'Jack', age: 18 }, { name: 'Lucy', age: 9 }],
   (a, b) => a.age - b.age
-), {name: "Lucy", age: 9}, 'Returns the object with the minimum specified value in an array');
-  
-
+)).toEqual({name: "Lucy", age: 9});
+});
diff --git a/test/reducedFilter/reducedFilter.test.js b/test/reducedFilter/reducedFilter.test.js
index 4d661d7c9..8c9536462 100644
--- a/test/reducedFilter/reducedFilter.test.js
+++ b/test/reducedFilter/reducedFilter.test.js
@@ -1,23 +1,21 @@
 const expect = require('expect');
 const reducedFilter = require('./reducedFilter.js');
 
-
-  test('reducedFilter is a Function', () => {
+test('reducedFilter is a Function', () => {
   expect(reducedFilter).toBeInstanceOf(Function);
 });
-  const data = [
-    {
-      id: 1,
-      name: 'john',
-      age: 24
-    },
-    {
-      id: 2,
-      name: 'mike',
-      age: 50
-    }
-    ];
-    test('Filter an array of objects based on a condition while also filtering out unspecified keys.', () => {
-  expect(reducedFilter(data, ['id', 'name'], item => item.age > 24), [{ id: 2).toEqual(name: 'mike'}])
+const data = [
+{
+  id: 1,
+  name: 'john',
+  age: 24
+},
+{
+  id: 2,
+  name: 'mike',
+  age: 50
+}
+];
+test('Filter an array of objects based on a condition while also filtering out unspecified keys.', () => {
+  expect(reducedFilter(data, ['id', 'name'], item => item.age > 24)).toEqual([{ id: 2, name: 'mike'}])
 });
-  
diff --git a/test/reject/reject.test.js b/test/reject/reject.test.js
index 270e9b8f5..f14e41299 100644
--- a/test/reject/reject.test.js
+++ b/test/reject/reject.test.js
@@ -1,24 +1,20 @@
 const expect = require('expect');
 const reject = require('./reject.js');
 
-
-  test('reject is a Function', () => {
+test('reject is a Function', () => {
   expect(reject).toBeInstanceOf(Function);
 });
-
-  const noEvens = reject(
-    (x) => x % 2 === 0,
-    [1, 2, 3, 4, 5]
-  );
-
-  t.deepEqual(noEvens, [1, 3, 5]);
-
-  const fourLettersOrLess = reject(
-    (word) => word.length > 4,
-    ['Apple', 'Pear', 'Kiwi', 'Banana']
-  );
-
-  t.deepEqual(fourLettersOrLess, ['Pear', 'Kiwi']);
-
-  
-
+const noEvens = reject(
+  (x) => x % 2 === 0,
+  [1, 2, 3, 4, 5]
+);
+test('Works with numbers', () => {
+  expect(noEvens).toEqual([1, 3, 5]);
+});
+const fourLettersOrLess = reject(
+  (word) => word.length > 4,
+  ['Apple', 'Pear', 'Kiwi', 'Banana']
+);
+test('Works with strings', () => {
+  expect(fourLettersOrLess).toEqual(['Pear', 'Kiwi']);
+});
diff --git a/test/remove/remove.test.js b/test/remove/remove.test.js
index 8b94f0aaf..efafcc3da 100644
--- a/test/remove/remove.test.js
+++ b/test/remove/remove.test.js
@@ -1,12 +1,9 @@
 const expect = require('expect');
 const remove = require('./remove.js');
 
-
-  test('remove is a Function', () => {
+test('remove is a Function', () => {
   expect(remove).toBeInstanceOf(Function);
 });
-  test('Removes elements from an array for which the given function returns false', () => {
-  expect(remove([1, 2, 3, 4], n => n % 2 === 0), [2).toEqual(4])
+test('Removes elements from an array for which the given function returns false', () => {
+  expect(remove([1, 2, 3, 4], n => n % 2 === 0)).toEqual([2, 4]);
 });
-  
-
diff --git a/test/removeNonASCII/removeNonASCII.test.js b/test/removeNonASCII/removeNonASCII.test.js
index 24b88a86e..4e8f6f7bd 100644
--- a/test/removeNonASCII/removeNonASCII.test.js
+++ b/test/removeNonASCII/removeNonASCII.test.js
@@ -1,12 +1,9 @@
 const expect = require('expect');
 const removeNonASCII = require('./removeNonASCII.js');
 
-
-  test('removeNonASCII is a Function', () => {
+test('removeNonASCII is a Function', () => {
   expect(removeNonASCII).toBeInstanceOf(Function);
 });
-  test('Removes non-ASCII characters', () => {
-  expect(removeNonASCII('äÄçÇéÉêlorem-ipsumöÖÐþúÚ'), 'lorem-ipsum').toBe()
+test('Removes non-ASCII characters', () => {
+  expect(removeNonASCII('äÄçÇéÉêlorem-ipsumöÖÐþúÚ')).toBe('lorem-ipsum');
 });
-  
-
diff --git a/test/removeVowels/removeVowels.test.js b/test/removeVowels/removeVowels.test.js
index 36afe09c2..437f32157 100644
--- a/test/removeVowels/removeVowels.test.js
+++ b/test/removeVowels/removeVowels.test.js
@@ -1,8 +1,6 @@
 const expect = require('expect');
 const removeVowels = require('./removeVowels.js');
 
-
-  test('removeVowels is a Function', () => {
+test('removeVowels is a Function', () => {
   expect(removeVowels).toBeInstanceOf(Function);
-});
-  
+});  
diff --git a/test/renameKeys/renameKeys.test.js b/test/renameKeys/renameKeys.test.js
index de0438f0c..574c18289 100644
--- a/test/renameKeys/renameKeys.test.js
+++ b/test/renameKeys/renameKeys.test.js
@@ -1,15 +1,11 @@
 const expect = require('expect');
 const renameKeys = require('./renameKeys.js');
 
-
-  test('renameKeys is a Function', () => {
+test('renameKeys is a Function', () => {
   expect(renameKeys).toBeInstanceOf(Function);
 });
-
-  const obj = { name: 'Bobo', job: 'Front-End Master', shoeSize: 100 };
-  const renamedObj = renameKeys({ name: 'firstName', job: 'passion' }, obj);
-
-  t.deepEqual(renamedObj, { firstName: 'Bobo', passion: 'Front-End Master', shoeSize: 100 
-
-  
-
+const obj = { name: 'Bobo', job: 'Front-End Master', shoeSize: 100 };
+const renamedObj = renameKeys({ name: 'firstName', job: 'passion' }, obj);
+test('renameKeys is a Function', () => {
+  expect(renamedObj).toEqual({ firstName: 'Bobo', passion: 'Front-End Master', shoeSize: 100 });
+});
diff --git a/test/reverseString/reverseString.test.js b/test/reverseString/reverseString.test.js
index 08b76cbaf..8eef925d7 100644
--- a/test/reverseString/reverseString.test.js
+++ b/test/reverseString/reverseString.test.js
@@ -1,11 +1,9 @@
 const expect = require('expect');
 const reverseString = require('./reverseString.js');
 
-
-  test('reverseString is a Function', () => {
+test('reverseString is a Function', () => {
   expect(reverseString).toBeInstanceOf(Function);
 });
-  test('Reverses a string.', () => {
-  expect(reverseString('foobar')).toBe('raboof')
+test('Reverses a string.', () => {
+  expect(reverseString('foobar')).toBe('raboof');
 });
-  
diff --git a/test/round/round.test.js b/test/round/round.test.js
index dd4c5f59f..c72bb69c9 100644
--- a/test/round/round.test.js
+++ b/test/round/round.test.js
@@ -1,23 +1,22 @@
 const expect = require('expect');
 const round = require('./round.js');
 
-
-  test('round is a Function', () => {
+test('round is a Function', () => {
   expect(round).toBeInstanceOf(Function);
 });
-  test('round(1.005, 2) returns 1.01', () => {
-  expect(round(1.005, 2)).toBe(1.01)
+test('round(1.005, 2) returns 1.01', () => {
+  expect(round(1.005, 2)).toBe(1.01);
 });
-  test('round(123.3423345345345345344, 11) returns 123.34233453453', () => {
-  expect(round(123.3423345345345345344, 11)).toBe(123.34233453453)
+test('round(123.3423345345345345344, 11) returns 123.34233453453', () => {
+  expect(round(123.3423345345345345344, 11)).toBe(123.34233453453);
 });
-  test('round(3.342, 11) returns 3.342', () => {
-  expect(round(3.342, 11)).toBe(3.342)
+test('round(3.342, 11) returns 3.342', () => {
+  expect(round(3.342, 11)).toBe(3.342);
 });
-  test('round(1.005) returns 1', () => {
-  expect(round(1.005)).toBe(1)
+test('round(1.005) returns 1', () => {
+  expect(round(1.005)).toBe(1);
 });
-  test('round([1.005, 2]) returns NaN', () => {
+test('round([1.005, 2]) returns NaN', () => {
   expect(isNaN(round([1.005, 2]))).toBeTruthy();
 });
   test('round(string) returns NaN', () => {
@@ -32,12 +31,9 @@ const round = require('./round.js');
   test('round({a: 132}, 413) returns NaN', () => {
   expect(isNaN(round({a: 132}, 413))).toBeTruthy();
 });
-
-  let start = new Date().getTime();
-  round(123.3423345345345345344, 11);
-  let end = new Date().getTime();
-  test('round(123.3423345345345345344, 11) takes less than 2s to run', () => {
+let start = new Date().getTime();
+round(123.3423345345345345344, 11);
+let end = new Date().getTime();
+test('round(123.3423345345345345344, 11) takes less than 2s to run', () => {
   expect((end - start) < 2000).toBeTruthy();
 });
-  
-
diff --git a/test/runAsync/runAsync.test.js b/test/runAsync/runAsync.test.js
index 8528fdb07..fb2806ed4 100644
--- a/test/runAsync/runAsync.test.js
+++ b/test/runAsync/runAsync.test.js
@@ -1,10 +1,6 @@
 const expect = require('expect');
 const runAsync = require('./runAsync.js');
 
-
-  test('runAsync is a Function', () => {
+test('runAsync is a Function', () => {
   expect(runAsync).toBeInstanceOf(Function);
 });
-  
-  
-
diff --git a/test/runPromisesInSeries/runPromisesInSeries.test.js b/test/runPromisesInSeries/runPromisesInSeries.test.js
index 88ac6ea82..df3814da4 100644
--- a/test/runPromisesInSeries/runPromisesInSeries.test.js
+++ b/test/runPromisesInSeries/runPromisesInSeries.test.js
@@ -2,10 +2,10 @@ const expect = require('expect');
 const runPromisesInSeries = require('./runPromisesInSeries.js');
 
 
-  test('runPromisesInSeries is a Function', () => {
+test('runPromisesInSeries is a Function', () => {
   expect(runPromisesInSeries).toBeInstanceOf(Function);
 });
-  const delay = d => new Promise(r => setTimeout(r, d));
-  runPromisesInSeries([() => delay(100), () => delay(200).then(() => 
-  
-
+const delay = d => new Promise(r => setTimeout(r, d));
+test('Runs promises in series', () => {
+  runPromisesInSeries([() => delay(100), () => delay(200).then(() => expect(true).toBeTruthy()));
+});