Added XCTest to watchOS to fix build problem.
diff --git a/OCMock.podspec b/OCMock.podspec
index 62faf1c..5f45598 100644
--- a/OCMock.podspec
+++ b/OCMock.podspec
@@ -28,6 +28,7 @@
   s.osx.framework             = 'XCTest'
   s.ios.framework             = 'XCTest'
   s.tvos.framework            = 'XCTest'
+  s.watchos.framework         = 'XCTest'
 
   s.pod_target_xcconfig       = { 'ENABLE_BITCODE' => 'NO' }