Update tests

Author: Philipp Alferov

test/blob-bundle.spec.js

@@ -13,10 +13,6 @@ describe('blob', function() {
     });
   });
 
-  it('should exist', function() {
-    expect(Blob).toBeDefined();
-  });
-
   it('should create valid blob instances', function() {
     var text = ['Hello'];
     oMyBlob = new Blob(text, { type: 'text/html' });

test/file-saver-bundle.spec.js

@@ -13,10 +13,6 @@ describe('file-saver', function() {
     });
   });
 
-  it('should exist', function() {
-    expect(SaveAs).toBeDefined();
-  });
-
   it('should be a function', function() {
     expect(SaveAs).toEqual(jasmine.any(Function));
   });