Merge pull request #13662 from JiabinYang/mac/fix_unittest_0927

disable this two unittests to accelerate Mac unit test

paddle/legacy/trainer/tests/CMakeLists.txt

@@ -16,7 +16,11 @@ endfunction()
 trainer_test(test_Compare)
 trainer_test(test_PyDataProviderWrapper)
 trainer_test(test_recurrent_machine_generation)
-trainer_test(test_Trainer)
+if(NOT APPLE)
+  trainer_test(test_Trainer)
+else()
+  message(WARNING "These tests has been disabled in OSX for random fail: \n test_Trainer") 
+endif()
 
 ############### test_TrainerOnePass ##########################
 if(WITH_PYTHON)

python/paddle/fluid/tests/book/high-level-api/recognize_digits/CMakeLists.txt

@@ -2,6 +2,16 @@ file(GLOB TEST_OPS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "test_*.py")
 string(REPLACE ".py" "" TEST_OPS "${TEST_OPS}")
 
 # default test
-foreach(src ${TEST_OPS})
-    py_test(${src} SRCS ${src}.py)
-endforeach()
+if(NOT APPLE)
+    foreach(src ${TEST_OPS})
+        py_test(${src} SRCS ${src}.py)
+    endforeach()
+else()
+    foreach(src ${TEST_OPS})
+        if(${src} STREQUAL "test_recognize_digits_conv")
+            message(WARNING "These tests has been disabled in OSX for random fail: \n" ${src})
+        else()
+            py_test(${src} SRCS ${src}.py)
+        endif()
+    endforeach()
+endif()