Fix bad naming on Stripe test

Signed-off-by: Daniel González Lopes <[email protected]>

Author: dgzlopes

tests/plugins/stripe_key_test.py

@@ -7,7 +7,7 @@
 from testing.mocks import mock_file_object
 
 
-class TestAWSKeyDetector(object):
+class TestStripeKeyDetector(object):
 
     @pytest.mark.parametrize(
         'file_content,should_flag',