TST: Use datapath in tests (#63440)

Author: rhshadrach

pandas/tests/io/formats/style/test_html.py

@@ -57,10 +57,11 @@ def tpl_table(env):
     return env.get_template("html_table.tpl")
 
 
-def test_html_template_extends_options():
+def test_html_template_extends_options(datapath):
     # make sure if templates are edited tests are updated as are setup fixtures
     # to understand the dependency
-    with open("pandas/io/formats/templates/html.tpl", encoding="utf-8") as file:
+    path = datapath("..", "io", "formats", "templates", "html.tpl")
+    with open(path, encoding="utf-8") as file:
         result = file.read()
     assert "{% include html_style_tpl %}" in result
     assert "{% include html_table_tpl %}" in result

pandas/tests/io/test_common.py

@@ -641,9 +641,9 @@ def close(self):
 
 @td.skip_if_no("fsspec")
 @pytest.mark.parametrize("compression", [None, "infer"])
-def test_read_csv_chained_url_no_error(compression):
+def test_read_csv_chained_url_no_error(datapath, compression):
     # GH 60100
-    tar_file_path = "pandas/tests/io/data/tar/test-csv.tar"
+    tar_file_path = datapath("io", "data", "tar", "test-csv.tar")
     chained_file_url = f"tar://test.csv::file://{tar_file_path}"
 
     result = pd.read_csv(chained_file_url, compression=compression, sep=";")