Fixup test

Author: xjules

tests/ert/unit_tests/test_run_path_creation.py

@@ -293,10 +293,12 @@ def test_that_error_is_raised_when_data_file_is_badly_encoded(make_run_path):
     Path("MY_DATA_FILE.DATA").write_text(
         "ä I WANT TO REPLACE:<DATE>", encoding="iso-8859-1"
     )
-
+    err_str = (
+        "Unsupported non UTF-8 character found in file: templates/MY_DATA_FILE.DATA"
+    )
     with pytest.raises(
         ValueError,
-        match=r"Unsupported non UTF-8 character found in file: .*MY_DATA_FILE.DATA",
+        match=err_str,
     ):
         make_run_path(ert_config)