Added screenshot fade-in transition.

res/app/components/stf/image-onload/image-onload-spec.js

@@ -0,0 +1,23 @@
+describe('imageOnload', function () {
+
+  beforeEach(module('stf.image-onload'));
+
+  var scope, compile;
+
+  beforeEach(inject(function ($rootScope, $compile) {
+    scope = $rootScope.$new();
+    compile = $compile;
+  }));
+
+  it('should ...', function () {
+
+    /* 
+     To test your directive, you need to create some html that would use your directive,
+     send that through compile() then compare the results.
+
+     var element = compile('<div image-onload name="name">hi</div>')(scope);
+     expect(element.text()).toBe('hello, world');
+     */
+
+  });
+});