diff --git a/package.json b/package.json
index 7f4543a..4c5b6c3 100644
--- a/package.json
+++ b/package.json
@@ -40,6 +40,10 @@
     "start": "webpack --watch",
     "build": "webpack"
   },
+  "jest": {
+    "verbose": true,
+    "testURL": "http://localhost/"
+  },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/Aljullu/react-lazy-load-image-component.git"
@@ -61,4 +65,4 @@
     "url": "https://github.com/Aljullu/react-lazy-load-image-component/issues"
   },
   "homepage": "https://github.com/Aljullu/react-lazy-load-image-component#readme"
-}
+}
\ No newline at end of file
diff --git a/src/components/LazyLoadImage.jsx b/src/components/LazyLoadImage.jsx
index 2e492bc..d61417c 100644
--- a/src/components/LazyLoadImage.jsx
+++ b/src/components/LazyLoadImage.jsx
@@ -101,8 +101,7 @@ class LazyLoadImage extends React.Component {
 
 LazyLoadImage.propTypes = {
   afterLoad: PropTypes.func,
-  effect: PropTypes.string,
-  placeholderSrc: PropTypes.string
+  effect: PropTypes.string
 };
 
 LazyLoadImage.defaultProps = {
@@ -111,3 +110,4 @@ LazyLoadImage.defaultProps = {
 };
 
 export default LazyLoadImage;
+
diff --git a/src/components/LazyLoadImage.spec.js b/src/components/LazyLoadImage.spec.js
index 1768f32..d7106db 100644
--- a/src/components/LazyLoadImage.spec.js
+++ b/src/components/LazyLoadImage.spec.js
@@ -25,7 +25,7 @@ describe('LazyLoadImage', function() {
       placeholder: null,
       scrollPosition: {x: 0, y: 0},
       style: {},
-      src: 'lorem-ipsum.jpg',
+      src: 'http://localhost/lorem-ipsum.jpg',
       visibleByDefault: false
     };
     const lazyLoadImage = mount(