test(tools): preserve sampler test class context

tools/tests/test_symbolize_samples.py

@@ -67,7 +67,6 @@ def build_pe(path, with_symbols=True, with_exports=False, second_code=False, tim
 
 
 class SymbolizeSamplesTests(unittest.TestCase):
-
     def setUp(self):
         self.directory = tempfile.TemporaryDirectory()
         self.root = Path(self.directory.name)