Rename the tests to pass phpcs checks

tests/Unit/MicropubClientsTest.php

@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Unit;
+
+use App\Models\MicropubClient;
+use Illuminate\Database\Eloquent\Collection;
+use Tests\TestCase;
+
+class MicropubClientsTest extends TestCase
+{
+    /** @test */
+    public function weCanGetNotesRelatingToClient(): void
+    {
+        $client = MicropubClient::find(1);
+        $this->assertInstanceOf(Collection::class, $client->notes);
+    }
+}