diff --git a/base/src/test/mod.rs b/base/src/test/mod.rs
index 3e80ace..01fc1e2 100644
--- a/base/src/test/mod.rs
+++ b/base/src/test/mod.rs
@@ -1,4 +1,5 @@
 mod test_actions;
+mod test_arabic_roman;
 mod test_binary_search;
 mod test_cell;
 mod test_cell_clear_contents;
@@ -39,6 +40,7 @@ mod test_metadata;
 mod test_model_cell_clear_all;
 mod test_model_is_empty_cell;
 mod test_move_formula;
+mod test_mround_trunc_int;
 mod test_quote_prefix;
 mod test_row_column_styles;
 mod test_set_user_input;
diff --git a/base/src/test/test_arabic_roman b/base/src/test/test_arabic_roman.rs
similarity index 100%
rename from base/src/test/test_arabic_roman
rename to base/src/test/test_arabic_roman.rs
diff --git a/base/src/test/test_mround_trunc_int b/base/src/test/test_mround_trunc_int.rs
similarity index 100%
rename from base/src/test/test_mround_trunc_int
rename to base/src/test/test_mround_trunc_int.rs