public function testAccessors()
 {
     $tenantScope = new TenantScope();
     $tenantScope->addTenant('column', 1);
     $tenants = $tenantScope->getTenants();
     $this->assertEquals(['column' => 1], $tenants);
     $this->assertTrue($tenantScope->hasTenant('column'));
     $tenantScope->removeTenant('column');
     $tenants = $tenantScope->getTenants();
     $this->assertEquals([], $tenants);
 }