temporarily disable test_dist_se_resnext for oom (#12290)

Author: jacquesqiao

python/paddle/fluid/tests/unittests/test_dist_se_resnext.py

@@ -56,7 +56,7 @@ def _wait_ps_ready(self, pid):
             except os.error:
                 retry_times -= 1
 
-    def test_with_place(self):
+    def non_test_with_place(self):
         # *ATTENTION* THIS TEST NEEDS AT LEAST 2GPUS TO RUN
         required_envs = {
             "PATH": os.getenv("PATH"),