Support PHPUnit updates

Author: ifox

.gitignore

@@ -3,3 +3,4 @@
 composer.phar
 composer.lock
 .DS_Store
+.phpunit.result.cache

tests/NodeTest.php

@@ -5,7 +5,7 @@
 
 class NodeTest extends PHPUnit\Framework\TestCase
 {
-    public static function setUpBeforeClass()
+    public static function setUpBeforeClass(): void
     {
         $schema = Capsule::schema();
 
@@ -23,7 +23,7 @@ public static function setUpBeforeClass()
         Capsule::enableQueryLog();
     }
 
-    public function setUp()
+    public function setUp(): void
     {
         $data = include __DIR__.'/data/categories.php';
 
@@ -36,7 +36,7 @@ public function setUp()
         date_default_timezone_set('America/Denver');
     }
 
-    public function tearDown()
+    public function tearDown(): void
     {
         Capsule::table('categories')->truncate();
     }

tests/ScopedNodeTest.php

@@ -5,7 +5,7 @@
 
 class ScopedNodeTest extends PHPUnit\Framework\TestCase
 {
-    public static function setUpBeforeClass()
+    public static function setUpBeforeClass(): void
     {
         $schema = Capsule::schema();
 
@@ -23,7 +23,7 @@ public static function setUpBeforeClass()
         Capsule::enableQueryLog();
     }
 
-    public function setUp()
+    public function setUp(): void
     {
         $data = include __DIR__.'/data/menu_items.php';
 
@@ -36,7 +36,7 @@ public function setUp()
         date_default_timezone_set('America/Denver');
     }
 
-    public function tearDown()
+    public function tearDown(): void
     {
         Capsule::table('menu_items')->truncate();
     }