BUG: fix logic error in the typing test_fail test

Author: ngoldbaum

numpy/typing/tests/test_typing.py

@@ -168,9 +168,9 @@ def test_fail(path: str) -> None:
         target_line = lines[lineno - 1]
         if "# E:" in target_line:
             expression, _, marker = target_line.partition("  # E: ")
-            expected_error = errors[lineno].strip()
-            marker = marker.strip()
-            _test_fail(path, expression, marker, expected_error, lineno)
+            error = errors[lineno].strip()
+            expected_error = marker.strip()
+            _test_fail(path, expression, error, expected_error, lineno)
         else:
             pytest.fail(
                 f"Unexpected mypy output at line {lineno}\n\n{errors[lineno]}"
@@ -200,7 +200,7 @@ def _test_fail(
 ) -> None:
     if expected_error is None:
         raise AssertionError(_FAIL_MSG1.format(lineno, expression, error))
-    elif error not in expected_error:
+    elif expected_error not in error:
         raise AssertionError(_FAIL_MSG2.format(
             lineno, expression, expected_error, error
         ))