/**
  * Tests that displayField can be changed
  *
  * @return void
  */
 public function testDisplaySet()
 {
     $table = new Table(['table' => 'users', 'schema' => ['id' => ['type' => 'string'], 'foo' => ['type' => 'string'], '_constraints' => ['primary' => ['type' => 'primary', 'columns' => ['id']]]]]);
     $this->assertEquals('id', $table->displayField());
     $table->displayField('foo');
     $this->assertEquals('foo', $table->displayField());
 }