Order exercise folders

Ordered the exercise folders by placing their numbers in their folder name

04 removeFromArray/removeFromArray.spec.js

@@ -0,0 +1,25 @@
+const removeFromArray = require('./removeFromArray')
+
+describe('removeFromArray', () => {
+  test('removes a single value', () => {
+    expect(removeFromArray([1, 2, 3, 4], 3)).toEqual([1, 2, 4]);
+  });
+  test.skip('removes multiple values', () => {
+    expect(removeFromArray([1, 2, 3, 4], 3, 2)).toEqual([1, 4]);
+  });
+  test.skip('ignores non present values', () => {
+    expect(removeFromArray([1, 2, 3, 4], 7, "tacos")).toEqual([1, 2, 3, 4]);
+  });
+  test.skip('ignores non present values, but still works', () => {
+    expect(removeFromArray([1, 2, 3, 4], 7, 2)).toEqual([1, 3, 4]);
+  });
+  test.skip('can remove all values', () => {
+    expect(removeFromArray([1, 2, 3, 4], 1, 2, 3, 4)).toEqual([]);
+  });
+  test.skip('works with strings', () => {
+    expect(removeFromArray(["hey", 2, 3, "ho"], "hey", 3)).toEqual([2, "ho"]);
+  });
+  test.skip('only removes same type', () => {
+    expect(removeFromArray([1, 2, 3], "1", 3)).toEqual([1, 2]);
+  });
+});