public function testDropUniqueConstraint()
 {
     $this->client->createUniqueConstraint('ToDrop', 'username');
     $this->assertArrayHasKey('ToDrop', $this->client->getUniqueConstraints()->getBody());
     $this->client->dropUniqueConstraint('ToDrop', 'username');
     $this->assertArrayNotHasKey('ToDrop', $this->client->getUniqueConstraints()->getBody());
 }
 /**
  * @group schema
  * @group integration
  * @group legacy
  */
 public function testLegacyUniqueConstraints()
 {
     $this->client->createUniqueConstraint('User', 'id');
     $constraints = $this->client->getUniqueConstraints();
     $this->assertArrayHasKey('User', $constraints->getBody());
 }