error.php

dd(session()->all); 

Output: 

 "_token" => "EytBe27yGOdW9C831i6fbMobTlshjVSfqghnpcJa"
  "flash_notification" => Illuminate\Support\Collection {#25879
    #items: array:1 [
      0 => Laracasts\Flash\Message {#25864
        +title: null
        +message: "De verhuring is verwijderd."
        +level: "info"
        +important: false
        +overlay: false
      }
    ]
  }
  "_flash" => array:2 [
    "new" => []
    "old" => array:1 [
      0 => "flash_notification"
    ]
  ]
  "_previous" => array:1 [
    "url" => "http://localhost/verhuur/verwijder/1"
  ]
]

// test case: 

/**
     * try to delete a valid lease.
     *
     * @test
     * @group all
     */
    public function testLeaseDelete()
    {
        $user  = factory(User::class)->create();
        $lease = factory(Lease::class)->create();

        $this->actingAs($user)
            ->seeIsAuthenticatedAs($user)
            ->get(route('lease.delete', ['id' => $lease->id]))
            ->assertStatus(302)
            ->assertSessionHas([
                'message' => trans('lease.flash-lease-delete')
            ]);
    }

// test output: 


There was 1 failure:

1) Tests\Feature\LeaseTest::testLeaseDelete
Failed asserting that null matches expected 'De verhuring is verwijderd.'.

R:\Clients\SIJOT\sijot-current\vendor\laravel\framework\src\Illuminate\Foundation\Testing\TestResponse.php:501
R:\Clients\SIJOT\sijot-current\vendor\laravel\framework\src\Illuminate\Foundation\Testing\TestResponse.php:519
R:\Clients\SIJOT\sijot-current\vendor\laravel\framework\src\Illuminate\Foundation\Testing\TestResponse.php:492
R:\Clients\SIJOT\sijot-current\tests\Feature\LeaseTest.php:113