Add HHI for createConfiguredMock

CHANGELOG.md

 # Changelog
 
+## 5.6.0
+
+* Updated to match PHPUnit 5.6
+* Added:
+  + `PHPUnit_Framework_TestCase::createConfiguredMock`
+
 ## 5.5.0
 
 * Updated to match PHPUnit 5.5

src/Framework/TestCase.hhi

@@ -117,6 +117,10 @@ abstract class PHPUnit_Framework_TestCase extends PHPUnit_Framework_Assert
   protected function createMock<T>(
     classname<T> $originalClassName,
   ) /*: PHPUnit_Framework_MockObject_MockObject*/;
+  protected function createConfiguredMock<T>(
+    classname<T> $originalClassName,
+    array $configuration,
+  )/*: PHPUnit_Framework_MockObject_MockObject*/;
   protected function createPartialMock<T>(
     classname<T> $originalClassName,
     array $methods,