diff --git a/base/src/test/mod.rs b/base/src/test/mod.rs
index 3cf5957..5b4ee37 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 89%
rename from base/src/test/test_arabic_roman
rename to base/src/test/test_arabic_roman.rs
index 8b328a5..703eaab 100644
--- a/base/src/test/test_arabic_roman
+++ b/base/src/test/test_arabic_roman.rs
@@ -6,8 +6,8 @@ use crate::test::util::new_empty_model;
 fn arguments() {
     let mut model = new_empty_model();
     model._set("A1", "=ARABIC()");
-    model._set("A2", "=ARABIC(V)");
-    model._set("A3", "=ARABIC(V, 2)");
+    model._set("A2", "=ARABIC(\"V\")");
+    model._set("A3", "=ARABIC(\"V\", 2)");
 
     model._set("A4", "=ROMAN()");
     model._set("A5", "=ROMAN(5)");
diff --git a/base/src/test/test_mround_trunc_int b/base/src/test/test_mround_trunc_int.rs
similarity index 95%
rename from base/src/test/test_mround_trunc_int
rename to base/src/test/test_mround_trunc_int.rs
index c8ad72e..009a8a8 100644
--- a/base/src/test/test_mround_trunc_int
+++ b/base/src/test/test_mround_trunc_int.rs
@@ -20,7 +20,6 @@ fn arguments() {
     model._set("A11", "=INT(10.22, 1)");
     model._set("A12", "=INT(10.22, 1, 2)");
 
-
     model.evaluate();
 
     assert_eq!(model._get_text("A1"), *"#ERROR!");
@@ -29,7 +28,7 @@ fn arguments() {
     assert_eq!(model._get_text("A4"), *"#ERROR!");
 
     assert_eq!(model._get_text("A5"), *"#ERROR!");
-    assert_eq!(model._get_text("A6"), *"#ERROR!");
+    assert_eq!(model._get_text("A6"), *"10");
     assert_eq!(model._get_text("A7"), *"10.2");
     assert_eq!(model._get_text("A8"), *"#ERROR!");
 
diff --git a/xlsx/tests/calc_tests/COMBIN_COMBINA.xlsx b/xlsx/tests/calc_tests/COMBIN_COMBINA.xlsx
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diff --git a/xlsx/tests/calc_tests/COMBIN_COMBINA_detailed.xlsx b/xlsx/tests/calc_tests/COMBIN_COMBINA_detailed.xlsx
deleted file mode 100644
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diff --git a/xlsx/tests/calc_tests/DMIN_DMAX_DAVERAGE_DSUM_DCOUNT_DGET 1.xlsx b/xlsx/tests/calc_tests/DMIN_DMAX_DAVERAGE_DSUM_DCOUNT_DGET 1.xlsx
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diff --git a/xlsx/tests/calc_tests/MROUND_TRUNC_INT.xlsx b/xlsx/tests/calc_tests/MROUND_TRUNC_INT.xlsx
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diff --git a/xlsx/tests/calc_tests/TRUNC_INT_edgecases.xlsx b/xlsx/tests/calc_tests/TRUNC_INT_edgecases.xlsx
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