[5.6] Integration test to avoid repetitive pagination PR with columns (…

…#23259)

* Integration test to avoid repetitive pagination PR with columns

* Rearrange import by length

tests/Integration/Database/EloquentPaginateTest.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace Illuminate\Tests\Integration\Database\EloquentPaginateTest;
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Tests\Integration\Database\DatabaseTestCase;
+
+/**
+ * @group integration
+ */
+class EloquentPaginateTest extends DatabaseTestCase
+{
+    public function setUp()
+    {
+        parent::setUp();
+
+        Schema::create('posts', function ($table) {
+            $table->increments('id');
+            $table->string('title')->nullable();
+            $table->timestamps();
+        });
+    }
+
+    public function test_pagination_on_top_of_columns()
+    {
+        for ($i = 1; $i <= 50; $i++) {
+            Post::create([
+                'title' => 'Title ' . $i,
+            ]);
+        }
+
+        $this->assertCount(15, Post::paginate(15, ['id', 'title']));
+    }
+}
+
+class Post extends Model
+{
+    protected $guarded = [];
+}