PostgreSQLTypeUnspecifiedSQLParameter implements TypeUnspecifiedSQLParameter { @Override public String toString() { return parameterValue; } PostgreSQLTypeUnspecifiedSQLParameter(final String parameterValue); @Override String toString();  }
@Test public void assertToString() { String timestampStr = "2020-08-23 15:57:03+08"; PostgreSQLTypeUnspecifiedSQLParameter parameter = new PostgreSQLTypeUnspecifiedSQLParameter(timestampStr); assertThat(parameter.toString(), is(timestampStr)); }