Travis build: 613 [custom]

test/getImages/getImages.js

@@ -1,5 +1,5 @@
 const getImages = (el, includeDuplicates = false) => {
-    const images = [...el.getElementsByTagName("img")].map(img => img.getAttribute("src"));
-    return includeDuplicates ? images : [...(new Set(images))];
+  const images = [...el.getElementsByTagName('img')].map(img => img.getAttribute('src'));
+  return includeDuplicates ? images : [...new Set(images)];
 };
 module.exports = getImages;

test/heronArea/heronArea.js

@@ -0,0 +1,5 @@
+const heronArea = (side_a, side_b, side_c) => {
+    const p = (side_a + side_b + side_c) / 2
+    return Math.sqrt(p * (p-side_a) * (p-side_b) * (p-side_c))
+  };
+module.exports = heronArea;

test/heronArea/heronArea.test.js

@@ -0,0 +1,6 @@
+const expect = require('expect');
+const heronArea = require('./heronArea.js');
+
+test('heronArea is a Function', () => {
+  expect(heronArea).toBeInstanceOf(Function);
+});