turn on race detector for all go tests

cmake/generic.cmake

@@ -337,7 +337,7 @@ function(go_test TARGET_NAME)
   string(REPLACE "${PADDLE_GO_PATH}" "" CMAKE_CURRENT_SOURCE_REL_DIR ${CMAKE_CURRENT_SOURCE_DIR})
   add_custom_target(${TARGET_NAME} ALL DEPENDS go_vendor ${go_test_DEPS})
   add_custom_command(TARGET ${TARGET_NAME} POST_BUILD
-    COMMAND env GOPATH=${GOPATH} ${CMAKE_Go_COMPILER} test
+    COMMAND env GOPATH=${GOPATH} ${CMAKE_Go_COMPILER} test -race
     -c -o "${CMAKE_CURRENT_BINARY_DIR}/${TARGET_NAME}"
     ".${CMAKE_CURRENT_SOURCE_REL_DIR}"
     WORKING_DIRECTORY "${PADDLE_IN_GOPATH}/go")