update test cases

Author: saldanhad

pandas/tests/io/formats/test_format.py

@@ -371,17 +371,17 @@ def test_repr_min_rows(self):
     @pytest.mark.parametrize(
         "data, format_option, expected_values",
         [
-            ({"A": [12345.6789]}, "{:12.3f}", "12345.679"),
-            ({"A": [None]}, "{:.3f}", "None"),
-            ({"A": [""]}, "{:.2f}", ""),
-            ({"A": [112345.6789]}, "{:6.3f}", "112345.679"),
+            (12345.6789, "{:12.3f}", "12345.679"),
+            (None, "{:.3f}", "None"),
+            ("", "{:.2f}", ""),
+            (112345.6789, "{:6.3f}", "112345.679"),
         ],
     )
     def test_repr_float_formatting_html_output(
         self, data, format_option, expected_values
     ):
         with option_context("display.float_format", format_option.format):
-            df = DataFrame(data)
+            df = DataFrame({"A": [data]})
             html_output = df._repr_html_()
             assert expected_values in html_output