Link to MockMvc AssertJ support from resources section

Author: sbrannen

framework-docs/modules/ROOT/pages/testing/resources.adoc

@@ -7,9 +7,10 @@ See the following resources for more information about testing:
   xref:testing/testcontext-framework.adoc[Spring TestContext Framework].
 * https://testng.org/[TestNG]: A testing framework inspired by JUnit with added support
   for test groups, data-driven testing, distributed testing, and other features. Supported
-  in the xref:testing/testcontext-framework.adoc[Spring TestContext Framework]
+  in the xref:testing/testcontext-framework.adoc[Spring TestContext Framework].
 * {assertj-docs}[AssertJ]: "Fluent assertions for Java",
-  including support for Java 8 lambdas, streams, and numerous other features.
+  including support for Java 8 lambdas, streams, and numerous other features. Supported
+  in Spring's xref:testing/mockmvc/assertj.adoc[MockMvc testing support].
 * https://en.wikipedia.org/wiki/Mock_Object[Mock Objects]: Article in Wikipedia.
 * https://site.mockito.org[Mockito]: Java mock library based on the
   http://xunitpatterns.com/Test%20Spy.html[Test Spy] pattern. Used by the Spring Framework