Add targeted tests for OAuth flows and coverage gaps

Author: SoldierSacha

tests/server/fastmcp/resources/test_file_resources.py

@@ -105,7 +105,7 @@ async def test_missing_file_error(self, temp_file: Path):
 @pytest.mark.anyio
 async def test_permission_error(temp_file: Path):
     """Test reading a file without permissions."""
-    if os.geteuid() == 0:
+    if os.geteuid() == 0:  # pragma: no cover
         pytest.skip("Permission test not reliable when running as root")
     temp_file.chmod(0o000)  # Remove all permissions
     try:

tests/shared/test_streamable_http.py

@@ -1220,7 +1220,7 @@ async def run_tool():
             assert result.content[0].text == "Completed"
 
             # Allow any pending notifications to be processed
-            for _ in range(50):
+            for _ in range(50):  # pragma: no cover
                 if captured_notifications:
                     break
                 await anyio.sleep(0.1)