[SPARK-51819][PYTHON] Update pyspark-errors test module to include missing tests

### What changes were proposed in this pull request?

- Fix broken tests
- Update pyspark-errors test module to include missing tests

### Why are the changes needed?

- Improve test coverage

### Does this PR introduce _any_ user-facing change?

No

### How was this patch tested?

Existing tests

### Was this patch authored or co-authored using generative AI tooling?

No

Closes #50608 from heyihong/SPARK-51819.

Authored-by: Yihong He <[email protected]>
Signed-off-by: Hyukjin Kwon <[email protected]>

Author: heyihong

dev/sparktestsupport/modules.py

@@ -1466,6 +1466,7 @@ def __hash__(self):
     ],
     python_test_goals=[
         # unittests
+        "pyspark.errors.tests.test_connect_errors_conversion",
         "pyspark.errors.tests.test_errors",
         "pyspark.errors.tests.test_traceback",
         "pyspark.errors.tests.connect.test_parity_traceback",

python/pyspark/errors/tests/test_connect_errors_conversion.py

@@ -145,7 +145,10 @@ def test_convert_exception_with_stacktrace(self):
         }
         truncated_message = "Root error message"
         exception = convert_exception(
-            info=ErrorInfo(**info), truncated_message=truncated_message, resp=resp
+            info=ErrorInfo(**info),
+            truncated_message=truncated_message,
+            resp=resp,
+            display_server_stacktrace=True,
         )
 
         self.assertIsInstance(exception, SparkConnectGrpcException)