Add more iterator tests for other tables

Signed-off-by: kuba-- <[email protected]>

Author: kuba--

commits_test.go

@@ -304,3 +304,8 @@ func TestCommitsIndexIterClosed(t *testing.T) {
 func TestCommitsIterClosed(t *testing.T) {
 	testTableIterClosed(t, new(commitsTable))
 }
+
+func TestCommitsIterators(t *testing.T) {
+	// columns names just for debugging
+	testTableIterators(t, new(commitsTable), []string{"commit_hash", "commit_author_email"})
+}

references_test.go

@@ -140,3 +140,8 @@ func TestReferencesIndexIterClosed(t *testing.T) {
 func TestReferencesIterClosed(t *testing.T) {
 	testTableIterClosed(t, new(referencesTable))
 }
+
+func TestReferencesIterators(t *testing.T) {
+	// columns names just for debugging
+	testTableIterators(t, new(referencesTable), []string{"ref_name", "commit_hash"})
+}