[test/profiler] Make test_profiler_pattern_matcher_json_report write …

…torchtidy_report.json to a tmpdir instead of CWD

test/profiler/test_profiler.py

@@ -11,6 +11,7 @@
 import struct
 import subprocess
 import sys
+import tempfile
 import threading
 import time
 import unittest
@@ -2528,9 +2529,11 @@ def test_profiler_pattern_matcher_json_report(self):
             loss.backward()
             optimizer.step()
             optimizer.zero_grad()
-        report_all_anti_patterns(prof, json_report_dir=".", print_enable=False)
-        try:
-            with open("./torchtidy_report.json") as f:
+
+        with tempfile.TemporaryDirectory() as tmpdir:
+            report_all_anti_patterns(prof, json_report_dir=tmpdir, print_enable=False)
+
+            with open(os.path.join(tmpdir, "torchtidy_report.json")) as f:
                 report = json.load(f)
 
             # It is platform dependent whether the path will include "profiler/"
@@ -2543,8 +2546,6 @@ def test_profiler_pattern_matcher_json_report(self):
             for event in entry:
                 actual_fields = sorted(event.keys())
                 self.assertEqual(expected_fields, actual_fields)
-        finally:
-            os.remove("torchtidy_report.json")
 
     @unittest.skipIf(IS_ARM64 or not IS_LINUX, "x86 linux only cpp unwinding")
     def test_fuzz_symbolize(self):