docs(guide/unit-testing): add missing heading

Ronan Connolly · gkalpak · commit 76ca4f4c2099 · 2016-07-12T18:30:35.000+03:00
Closes #14901
diff --git a/docs/content/guide/unit-testing.ngdoc b/docs/content/guide/unit-testing.ngdoc
@@ -3,6 +3,8 @@
 @sortOrder 410
 @description
 
+# Unit Testing
+
 JavaScript is a dynamically typed language which comes with great power of expression, but it also
 comes with almost no help from the compiler. For this reason we feel very strongly that any code
 written in JavaScript needs to come with a strong set of tests. We have built many features into
