Fix test failures

db_test.go

 
 	panels, err := db.FindAllPanels()
 	if err != nil {
-		t.Error("Error while searching for panels")
+		t.Error("Error while searching for panels", err)
 	}
 	if len(panels) != 1 {
 		t.Error("Should have found 1 panel, got", len(panels))
 	initTestCase(t)
 
 	playlistEntries, err := db.FindPlaylistBySection("Viikko 07")
-	if err != nil {
-		t.Error("Error while searching for playlist")
+	if err == nil || err.Error() != "sql: no rows in result set" {
+		t.Error("err should be 'sql: no rows in result set'")
 	}
 	if len(playlistEntries) != 0 {
 		t.Error("Should have found 0 playlistEntries, got", len(playlistEntries))