Export 7 errors so users can act differently on different type of errors

1 files changed, 1 insertions, 1 deletions

diff --git a/comment_test.go b/comment_test.go
index fb36d29..9eb07f4 100644
--- a/comment_test.go
+++ b/comment_test.go
@@ -32,7 +32,7 @@ func TestAddComments(t *testing.T) {
 	// Test add comment on not exists worksheet.
 	assert.EqualError(t, f.AddComment("SheetN", "B7", `{"author":"Excelize: ","text":"This is a comment."}`), "sheet SheetN is not exist")
 	// Test add comment on with illegal cell coordinates
-	assert.EqualError(t, f.AddComment("Sheet1", "A", `{"author":"Excelize: ","text":"This is a comment."}`), `cannot convert cell "A" to coordinates: invalid cell name "A"`)
+	assert.EqualError(t, f.AddComment("Sheet1", "A", `{"author":"Excelize: ","text":"This is a comment."}`), newCellNameToCoordinatesError("A", newInvalidCellNameError("A")).Error())
 	if assert.NoError(t, f.SaveAs(filepath.Join("test", "TestAddComments.xlsx"))) {
 		assert.Len(t, f.GetComments(), 2)
 	}