Add missing test coverage

Author: kpdecker

Diff for: test/patch/apply.js

@@ -180,6 +180,23 @@ describe('patch/apply', function() {
           + ' line4\n'
           + ' line4\n'))
         .to.equal('line1\nline2\nline3\nline4\nline4\nline4\nline4');
+
+      // Test empty lines in patches
+      expect(applyPatch(
+          'line11\nline2\n\nline4',
+
+            'Index: test\n'
+            + '===================================================================\n'
+            + '--- test\theader1\n'
+            + '+++ test\theader2\n'
+            + '@@ -1,4 +1,4 @@\n'
+            + '+line1\n'
+            + '-line11\n'
+            + ' line2\n'
+            + '\n'
+            + ' line4\n'
+            + '\\ No newline at end of file\n'))
+        .to.equal('line1\nline2\n\nline4');
     });
 
     it('should apply patches', function() {