BUG: build fails after using correct spring-test-mvc pom

added necessary exclusions to spring dependencies of spring-test-mvc so that we
won't have duplicate spring jars in our bundle tests

https://trello.com/c/FFCP8xWk

Change-Id: Ic65cc5a1b3abd34d6bc2689292a3efd0b84bd68c
Merge "BUG: build fails after using correct spring-test-mvc pom"