Fix tests in PR #884 PHPUnit to Pest Converter (#885)

* fixed tests, remove method duplications, restore necessary inner classes

* Update CommandsTest.php

* temporary checks run on `shift-64622` on branch.

* fixed `TestSeeder` class not resolved

* fixed messed up names

* removed `uses` from individual files and add it in `Pest`

* extract tests to helpers

* use pest dataset

* Update AutomaticModeTest.php

* newline

* todo convention

* resolve reviews

* added `// todo@tests`

* remove shift branch from CI workflow

Co-authored-by: Samuel Štancl <samuel@archte.ch>

tests/Etc/TestSeeder.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Stancl\Tenancy\Tests\Etc;
+
+use Illuminate\Database\Seeder;
+use Illuminate\Support\Facades\DB;
+
+class TestSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     *
+     * @return void
+     */
+    public function run()
+    {
+        DB::table('users')->insert([
+            'name' => 'Seeded User',
+            'email' => 'seeded@user',
+            'password' => bcrypt('password'),
+        ]);
+    }
+}