Removing test from core module

Tests/UrlTest.php

-<?php
-
-class UrlTest extends TestCase
-{
-    /** @test */
-    public function testDashboardAccessible()
-    {
-        $crawler = $this->client->request('GET', '/' . Config::get('core::core.admin-prefix'));
-
-        $this->assertTrue($this->client->getResponse()->isOk());
-
-        $this->assertCount(1, $crawler->filter('h1:contains("Dashboard")'));
-    }
-}