Installed Laravel

tests/Feature/Auth/VerificationNotificationTest.php

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+<?php
+
+use App\Models\User;
+use Illuminate\Auth\Notifications\VerifyEmail;
+use Illuminate\Support\Facades\Notification;
+
+uses(\Illuminate\Foundation\Testing\RefreshDatabase::class);
+
+test('sends verification notification', function () {
+    Notification::fake();
+
+    $user = User::factory()->unverified()->create();
+
+    $this->actingAs($user)
+        ->post(route('verification.send'))
+        ->assertRedirect(route('home'));
+
+    Notification::assertSentTo($user, VerifyEmail::class);
+});
+
+test('does not send verification notification if email is verified', function () {
+    Notification::fake();
+
+    $user = User::factory()->create();
+
+    $this->actingAs($user)
+        ->post(route('verification.send'))
+        ->assertRedirect(route('dashboard', absolute: false));
+
+    Notification::assertNothingSent();
+});