Fix master issues

tests/Unit/RecurringInvoiceTest.php

@@ -0,0 +1,39 @@
+<?php
+
+use Crater\Models\RecurringInvoice;
+use Illuminate\Support\Facades\Artisan;
+
+beforeEach(function () {
+    Artisan::call('db:seed', ['--class' => 'DatabaseSeeder', '--force' => true]);
+    Artisan::call('db:seed', ['--class' => 'DemoSeeder', '--force' => true]);
+});
+
+test('recurring invoice has many invoices', function () {
+    $recurringInvoice = RecurringInvoice::factory()->hasInvoices(5)->create();
+
+    $this->assertCount(5, $recurringInvoice->invoices);
+
+    $this->assertTrue($recurringInvoice->invoices()->exists());
+});
+
+test('recurring invoice has many invoice items', function () {
+    $recurringInvoice = RecurringInvoice::factory()->hasItems(5)->create();
+
+    $this->assertCount(5, $recurringInvoice->items);
+
+    $this->assertTrue($recurringInvoice->items()->exists());
+});
+
+test('recurring invoice has many taxes', function () {
+    $recurringInvoice = RecurringInvoice::factory()->hasTaxes(5)->create();
+
+    $this->assertCount(5, $recurringInvoice->taxes);
+
+    $this->assertTrue($recurringInvoice->taxes()->exists());
+});
+
+test('recurring invoice belongs to customer', function () {
+    $recurringInvoice = RecurringInvoice::factory()->forCustomer()->create();
+
+    $this->assertTrue($recurringInvoice->customer()->exists());
+});