style: apply ruff format to the config continuation tests

Author: NK

test/test_config.py

@@ -148,11 +148,11 @@ def test_backslash_line_continuation(self):
         exactly as git config parses it: the final backslash and the newline
         are removed and the next line is appended verbatim."""
         cases = [
-            (b'[a]\n\tk = line1\\\n line2\n', "line1 line2"),
-            (b'[a]\n\tk = one\\\n two\\\n three\n', "one two three"),
-            (b'[a]\n\tk = val\\\\\n next\n', "val\\\\"),
-            (b'[a]\n\tk = end\\\n', "end"),
-            (b'[alias]\n\tco = checkout \\\n\t\t-v\n', "checkout \t\t-v"),
+            (b"[a]\n\tk = line1\\\n line2\n", "line1 line2"),
+            (b"[a]\n\tk = one\\\n two\\\n three\n", "one two three"),
+            (b"[a]\n\tk = val\\\\\n next\n", "val\\\\"),
+            (b"[a]\n\tk = end\\\n", "end"),
+            (b"[alias]\n\tco = checkout \\\n\t\t-v\n", "checkout \t\t-v"),
         ]
         for content, expected in cases:
             config_file = io.BytesIO(content)