Workaround for PyPy

Author: rwgk

tests/test_exceptions.py

@@ -327,13 +327,20 @@ def test_flaky_exception_failure_point_str():
     )
     assert not py_err_set_after_what
     lines = what.splitlines()
-    assert lines[:5] == [
-        "FlakyException: <MESSAGE UNAVAILABLE DUE TO ANOTHER EXCEPTION>",
-        "",
-        "MESSAGE UNAVAILABLE DUE TO EXCEPTION: ValueError: triggered_failure_point_str",
-        "",
-        "At:",
-    ]
+    if env.PYPY and len(lines) == 3:
+        n = 3  # Traceback is missing.
+    else:
+        n = 5
+    assert (
+        lines[:n]
+        == [
+            "FlakyException: <MESSAGE UNAVAILABLE DUE TO ANOTHER EXCEPTION>",
+            "",
+            "MESSAGE UNAVAILABLE DUE TO EXCEPTION: ValueError: triggered_failure_point_str",
+            "",
+            "At:",
+        ][:n]
+    )
 
 
 def test_cross_module_interleaved_error_already_set():