diff --git a/test/union/union.test.js b/test/union/union.test.js
index 40f1db354..1426f4a28 100644
--- a/test/union/union.test.js
+++ b/test/union/union.test.js
@@ -5,6 +5,7 @@ test('Testing union', (t) => {
 	//For more information on all the methods supported by tape
 	//Please go to https://github.com/substack/tape
 	t.true(typeof union === 'function', 'union is a Function');
+	t.deepEqual(union([1, 2, 3], [4, 3, 2]), [1, 2, 3, 4], "Returns every element that exists in any of the two arrays once");
 	//t.deepEqual(union(args..), 'Expected');
 	//t.equal(union(args..), 'Expected');
 	//t.false(union(args..), 'Expected');
diff --git a/test/without/without.test.js b/test/without/without.test.js
index 7d3ff120d..f731a0714 100644
--- a/test/without/without.test.js
+++ b/test/without/without.test.js
@@ -5,6 +5,7 @@ test('Testing without', (t) => {
 	//For more information on all the methods supported by tape
 	//Please go to https://github.com/substack/tape
 	t.true(typeof without === 'function', 'without is a Function');
+	t.deepEqual(without([2, 1, 2, 3], 1, 2), [3], "Filters out the elements of an array, that have one of the specified values.");
 	//t.deepEqual(without(args..), 'Expected');
 	//t.equal(without(args..), 'Expected');
 	//t.false(without(args..), 'Expected');