Do not skip if exited properly

Author: tibor-reiss

mmengine/testing/_internal/distributed.py

@@ -101,7 +101,7 @@ def __init__(self, method_name: str = 'runTest') -> None:
             if method_name != 'runTest':
                 # we allow instantiation with no explicit method name
                 # but not an *incorrect* or missing method name
-                raise ValueError(f"no such test method in {self.__class__}: {method_name}") from e
+                raise ValueError(f'no such test method in {self.__class__}: {method_name}') from e
 
     def setUp(self) -> None:
         super().setUp()
@@ -351,12 +351,13 @@ def _check_return_codes(self, elapsed_time) -> None:
             if first_process.exitcode == skip.exit_code:
                 raise unittest.SkipTest(skip.message)
 
-        # Skip the unittest since the raised error maybe not caused by
-        # the tested function. For example, in CI environment, the tested
-        # method could be terminated by system signal for the limited
-        # resources.
-        self.skipTest(f'Skip test {self._testMethodName} due to '
-                      'the program abort')
+        if first_process.exitcode != 0:
+            # Skip the unittest since the raised error maybe not caused by
+            # the tested function. For example, in CI environment, the tested
+            # method could be terminated by system signal for the limited
+            # resources.
+            self.skipTest(f'Skip test {self._testMethodName} due to '
+                          'the program abort')
 
     @property
     def is_master(self) -> bool: