THRIFT-2135:GO lib leaves behind test files that are auto generated
Client: go
Patch: jfarrell

Removed generated test idl on clean
diff --git a/lib/go/test/Makefile.am b/lib/go/test/Makefile.am
index 280e537..4e71cd0 100644
--- a/lib/go/test/Makefile.am
+++ b/lib/go/test/Makefile.am
@@ -35,7 +35,7 @@
 	GOPATH=`pwd`/gopath $(GO) build IncludesTest
 
 clean-local:
-	$(RM) -r gen-go gopath
+	$(RM) -r gen-go gopath ThriftTest.thrift
 
 client: stubs
 	$(GO) run TestClient.go