X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/1b6de7b0a33b568f71ff86e0e5fef6d4c479c2b7..d4a85643a465f5fae2113d07d22d021d4af4795a:/tests/test_format.py

diff --git a/tests/test_format.py b/tests/test_format.py
index 7a099fb..01cd61e 100644
--- a/tests/test_format.py
+++ b/tests/test_format.py
@@ -8,10 +8,10 @@ import black
 from tests.util import (
     DEFAULT_MODE,
     PY36_VERSIONS,
+    all_data_cases,
     assert_format,
     dump_to_stderr,
     read_data,
-    all_data_cases,
 )
 
 
@@ -36,7 +36,12 @@ def test_simple_format(filename: str) -> None:
 
 @pytest.mark.parametrize("filename", all_data_cases("preview"))
 def test_preview_format(filename: str) -> None:
-    check_file("preview", filename, black.Mode(preview=True))
+    magic_trailing_comma = filename != "skip_magic_trailing_comma"
+    check_file(
+        "preview",
+        filename,
+        black.Mode(preview=True, magic_trailing_comma=magic_trailing_comma),
+    )
 
 
 @pytest.mark.parametrize("filename", all_data_cases("preview_39"))