@Override
    public final String toString() {
        return ", " + columnName + " = " + getRightValue();
    }
@Test
    void assertCustomGeneratedKeyAssignmentTokenToString() {
        generatedKeyAssignmentToken = new GeneratedKeyAssignmentToken(0, "id") {
            
            @Override
            protected String getRightValue() {
                return "0";
            }
        };
        String resultGeneratedKeyAssignmentTokenToString = generatedKeyAssignmentToken.toString();
        assertThat(resultGeneratedKeyAssignmentTokenToString, is(", id = 0"));
    }