@Test
public void innerJoinOnNameHomeAge() {

  Table table1 = createANIMALHOMES();
  Table table2 = createDOUBLEINDEXEDPEOPLENameHomeAgeMoveInDate();
  Table joined = table1.joinOn("Name", "Home", "Age").inner(true, table2);
  assertEquals(7, joined.columnCount());
  assertEquals(1, joined.rowCount());
}