Loosen requirement for native frames in the middle of the stack

Author: brandtbucher

Lib/test/test_profiling/test_sampling_profiler.py

@@ -3172,13 +3172,18 @@ def test_native_frames_enabled(self):
             # Check file format
             with open(collapsed_file.name, "r") as f:
                 content = f.read()
+
         lines = content.strip().split("\n")
         self.assertGreater(len(lines), 0)
+
         stacks = [line.rsplit(" ", 1)[0] for line in lines]
-        # All samples should have native code in the middle of the stack:
-        self.assertTrue(all(";<native>;" in stack for stack in stacks))
+
+        # Most samples should have native code in the middle of the stack:
+        self.assertTrue(any(";<native>;" in stack for stack in stacks))
+
         # Some samples should have native code at the top of the stack:
         self.assertTrue(any(stack.endswith(";<native>") for stack in stacks))
+
         # Some samples should have Python code at the top of the stack:
         self.assertTrue(any(not stack.endswith(";<native>") for stack in stacks))