@Test
public void prependTo_multipleColumns_prependsProperSql() {

  /* Given */
  InsertColumnsImpl insertColumns = new InsertColumnsImpl(new String[] {"a", "b", "c"}, mock(SqlPart.class));
  RawSqlBuilder builder = new RawSqlBuilderImpl();
  /* When */
  insertColumns.prependTo(builder);
  /* Then */
  assertThat(builder.toString(), is("(a,b,c)"));
}