diff --git a/test/list/join_sep_non_string.wren b/test/list/join_separator_not_string.wren
similarity index 100%
rename from test/list/join_sep_non_string.wren
rename to test/list/join_separator_not_string.wren
diff --git a/test/range/join_sep_non_string.wren b/test/range/join_separator_not_string.wren
similarity index 100%
rename from test/range/join_sep_non_string.wren
rename to test/range/join_separator_not_string.wren
diff --git a/test/string/join_sep_non_string.wren b/test/string/join_separator_not_string.wren
similarity index 100%
rename from test/string/join_sep_non_string.wren
rename to test/string/join_separator_not_string.wren