parallel run dist ci (#13433)

* parallel run dist ci

* test=develop

* update test=develop

python/paddle/fluid/tests/unittests/CMakeLists.txt

@@ -76,11 +76,13 @@ if(WITH_DISTRIBUTE)
     if(NOT APPLE)
         set_tests_properties(test_dist_mnist PROPERTIES TIMEOUT 200)
         set_tests_properties(test_dist_word2vec PROPERTIES TIMEOUT 200)
-        py_test_modules(test_dist_se_resnext MODULES test_dist_se_resnext SERIAL)
+        py_test_modules(test_dist_se_resnext MODULES test_dist_se_resnext)
+        set_tests_properties(test_dist_se_resnext PROPERTIES TIMEOUT 1000)
+        # TODO: fix this test
+        #py_test_modules(test_dist_transformer MODULES test_dist_transformer)
+        #set_tests_properties(test_dist_transformer PROPERTIES TIMEOUT 1000)
     endif(NOT APPLE)
     py_test_modules(test_dist_transpiler MODULES test_dist_transpiler)
-    #FIXME(gongwb): random fails.
-    #py_test_modules(test_dist_transformer MODULES test_dist_transformer SERIAL)
 endif()
 py_test_modules(test_parallel_executor_crf MODULES test_parallel_executor_crf SERIAL)
 py_test_modules(test_parallel_executor_fetch_feed MODULES test_parallel_executor_fetch_feed SERIAL)