Fix master issues

tests/Unit/ExpenseTest.php

@@ -0,0 +1,27 @@
+<?php
+
+use Crater\Models\Expense;
+use Illuminate\Support\Facades\Artisan;
+
+beforeEach(function () {
+    Artisan::call('db:seed', ['--class' => 'DatabaseSeeder', '--force' => true]);
+    Artisan::call('db:seed', ['--class' => 'DemoSeeder', '--force' => true]);
+});
+
+test('expense belongs to category', function () {
+    $expense = Expense::factory()->forCategory()->create();
+
+    $this->assertTrue($expense->category()->exists());
+});
+
+test('expense belongs to customer', function () {
+    $expense = Expense::factory()->forCustomer()->create();
+
+    $this->assertTrue($expense->customer()->exists());
+});
+
+test('expense belongs to company', function () {
+    $expense = Expense::factory()->forCompany()->create();
+
+    $this->assertTrue($expense->company()->exists());
+});