Add pragma: no cover

Author: joshmoore

zarr/tests/test_storage.py

@@ -2564,7 +2564,7 @@ def test_normalize_store_arg(tmpdir):
 def test_meta_prefix_6853():
 
     meta = pathlib.Path(zarr.__file__).resolve().parent.parent / "fixture" / "meta"
-    if not meta.exists():
+    if not meta.exists():   # pragma: no cover
         s = DirectoryStore(str(meta), dimension_separator=".")
         a = zarr.open(store=s, mode="w", shape=(2, 2), dtype="<i8")
         a[:] = [[1, 2], [3, 4]]