diff --git a/snippets/prettyBytes.md b/snippets/prettyBytes.md
index ff6b2ac73..411d4e0b5 100644
--- a/snippets/prettyBytes.md
+++ b/snippets/prettyBytes.md
@@ -19,7 +19,7 @@ const prettyBytes = (num, precision = 3, addSpace = true) => {
 ```
 
 ```js
-prettyBytes(1000); // 1 KB
-prettyBytes(-27145424323.5821, 5); // -27.145 GB
-prettyBytes(123456789, 3, false); // 123MB
+prettyBytes(1000); // "1 KB"
+prettyBytes(-27145424323.5821, 5); // "-27.145 GB"
+prettyBytes(123456789, 3, false); // "123MB"
 ```
diff --git a/test/prettyBytes/prettyBytes.test.js b/test/prettyBytes/prettyBytes.test.js
index 667e35f96..62f974c06 100644
--- a/test/prettyBytes/prettyBytes.test.js
+++ b/test/prettyBytes/prettyBytes.test.js
@@ -5,6 +5,10 @@ test('Testing prettyBytes', (t) => {
 	//For more information on all the methods supported by tape
 	//Please go to https://github.com/substack/tape
 	t.true(typeof prettyBytes === 'function', 'prettyBytes is a Function');
+	t.equal(prettyBytes(1000), '1 KB', "Converts a number in bytes to a human-readable string.");
+	t.equal(prettyBytes(-27145424323.5821, 5), '-27.145 GB', "Converts a number in bytes to a human-readable string.");
+	t.equal(prettyBytes(123456789, 3, false), '123MB', "Converts a number in bytes to a human-readable string.");
+
 	//t.deepEqual(prettyBytes(args..), 'Expected');
 	//t.equal(prettyBytes(args..), 'Expected');
 	//t.false(prettyBytes(args..), 'Expected');
diff --git a/test/primes/primes.test.js b/test/primes/primes.test.js
index e016b610a..0e7c448d9 100644
--- a/test/primes/primes.test.js
+++ b/test/primes/primes.test.js
@@ -5,6 +5,7 @@ test('Testing primes', (t) => {
 	//For more information on all the methods supported by tape
 	//Please go to https://github.com/substack/tape
 	t.true(typeof primes === 'function', 'primes is a Function');
+	t.deepEqual(primes(10), [2, 3, 5, 7], "Generates primes up to a given number, using the Sieve of Eratosthenes.");
 	//t.deepEqual(primes(args..), 'Expected');
 	//t.equal(primes(args..), 'Expected');
 	//t.false(primes(args..), 'Expected');
diff --git a/test/reducedFilter/reducedFilter.test.js b/test/reducedFilter/reducedFilter.test.js
index 5e7c488fe..29590ad2c 100644
--- a/test/reducedFilter/reducedFilter.test.js
+++ b/test/reducedFilter/reducedFilter.test.js
@@ -5,6 +5,19 @@ test('Testing reducedFilter', (t) => {
 	//For more information on all the methods supported by tape
 	//Please go to https://github.com/substack/tape
 	t.true(typeof reducedFilter === 'function', 'reducedFilter is a Function');
+	const data = [
+		{
+		  id: 1,
+		  name: 'john',
+		  age: 24
+		},
+		{
+		  id: 2,
+		  name: 'mike',
+		  age: 50
+		}
+	  ];
+	  t.deepEqual(reducedFilter(data, ['id', 'name'], item => item.age > 24), [{ id: 2, name: 'mike'}], "Filter an array of objects based on a condition while also filtering out unspecified keys.");
 	//t.deepEqual(reducedFilter(args..), 'Expected');
 	//t.equal(reducedFilter(args..), 'Expected');
 	//t.false(reducedFilter(args..), 'Expected');