fix err

Author: DifferentialOrange

tarantool_test.go

@@ -3799,10 +3799,19 @@ func TestSessionSQLDeferForeignKeys(t *testing.T) {
 	require.Nil(t, err)
 	require.Equal(t, val, false)
 
+	isStringError, verr := test_helpers.IsTarantoolVersionLess(2, 10, 0)
+	require.Nil(t, verr)
+
 	resp, rerr = conn.Eval(deferEval, []interface{}{})
 	require.Nil(t, rerr)
 	require.NotNil(t, resp)
-	require.Equal(t, "Failed to execute SQL statement: FOREIGN KEY constraint failed", resp.Data[0])
+	if isStringError {
+		require.Equal(t, "Failed to execute SQL statement: FOREIGN KEY constraint failed", resp.Data[0])
+	} else {
+		val, ok := toBoxError(resp.Data[0])
+		require.True(t, ok)
+		require.Equal(t, "Failed to execute SQL statement: FOREIGN KEY constraint failed", val.Msg)
+	}
 
 	val, err = conn.SetSessionSetting(SessionSQLDeferForeignKeys, true)
 	require.Nil(t, err)