Merge pull request #14165 from panyx0718/fix4

increase test timeout coverage.

Author: panyx0718

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

@@ -55,6 +55,7 @@ function(py_test_modules TARGET_NAME)
     if (py_test_modules_SERIAL)
         set_property(TEST ${TARGET_NAME} PROPERTY RUN_SERIAL 1)
     endif()
+    set_tests_properties(${TARGET_NAME} PROPERTIES TIMEOUT 600)
   endif()
 endfunction()
 list(REMOVE_ITEM TEST_OPS test_warpctc_op)