Update test_read.py

changed single quotes to double quotes for black pre-commit.ci check

tests/test_read.py

@@ -104,7 +104,7 @@ def test_ros_no_file_name(ros):
     file = open(mode="rb", file=data_path.joinpath("CTD", "fixstation_hl_02.ros"))
     stream = StringIO(file.read().decode("cp1252"))
     data = ctd.rosette_summary(stream)
-    assert data._metadata['name'] == 'unknown'
+    assert data._metadata["name"] == "unknown"
 
 
 # HeaderTest.