Update tests to support Laravel 6

Author: Sti3bas

tests/Engines/ArrayEngineTest.php

@@ -182,7 +182,7 @@ public function it_can_update_soft_deletable_records_in_the_index()
             'scoutKey' => 234,
         ];
 
-        $this->assertEquals(['foo' => 'bar', 'objectID' => '123', 'scoutKey' => 123, 'deleted_at' => '2019-01-01T12:00:00.000000Z', '__soft_deleted' => 1], $engine->search($builder1)['hits'][0]);
+        $this->assertEquals(['foo' => 'bar', 'objectID' => '123', 'scoutKey' => 123, 'deleted_at' => '2019-01-01 12:00:00', '__soft_deleted' => 1], $engine->search($builder1)['hits'][0]);
         $this->assertEquals(['foo' => 'bar', 'objectID' => '234', 'scoutKey' => 234, '__soft_deleted' => 0], $engine->search($builder2)['hits'][0]);
     }
 
@@ -207,7 +207,7 @@ public function it_will_not_push_soft_delete_metadata_when_updating_if_its_not_e
             'scoutKey' => 234,
         ];
 
-        $this->assertEquals(['foo' => 'bar', 'objectID' => '123', 'scoutKey' => 123, 'deleted_at' => '2019-01-01T12:00:00.000000Z'], $engine->search($builder1)['hits'][0]);
+        $this->assertEquals(['foo' => 'bar', 'objectID' => '123', 'scoutKey' => 123, 'deleted_at' => '2019-01-01 12:00:00'], $engine->search($builder1)['hits'][0]);
         $this->assertEquals(['foo' => 'bar', 'objectID' => '234', 'scoutKey' => 234], $engine->search($builder2)['hits'][0]);
     }
 

tests/Fixtures/SoftDeletableSearchableModel.php

@@ -2,6 +2,7 @@
 
 namespace Sti3bas\ScoutArray\Tests\Fixtures;
 
+use DateTimeInterface;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\SoftDeletes;
 use Laravel\Scout\Searchable;
@@ -21,4 +22,15 @@ public function getScoutKey()
     {
         return $this->scoutKey;
     }
+
+    /**
+     * Prepare a date for array / JSON serialization.
+     *
+     * @param  \DateTimeInterface  $date
+     * @return string
+     */
+    protected function serializeDate(DateTimeInterface $date)
+    {
+        return $date->format('Y-m-d H:i:s');
+    }
 }