[feature] laravel 5.8 support

Author: roshangautam

composer.json

@@ -17,19 +17,19 @@
   ],
   "require": {
     "php": ">=7.1",
-    "illuminate/bus": "~5.7.0",
-    "illuminate/console": "~5.7.0",
-    "illuminate/contracts": "~5.7.0",
-    "illuminate/database": "~5.7.0",
-    "illuminate/events": "~5.7.0",
-    "illuminate/notifications": "~5.7.0",
-    "laravelcollective/html": "~5.7"
+    "illuminate/bus": "~5.8.0",
+    "illuminate/console": "~5.8.0",
+    "illuminate/contracts": "~5.8.0",
+    "illuminate/database": "~5.8.0",
+    "illuminate/events": "~5.8.0",
+    "illuminate/notifications": "~5.8.0",
+    "laravelcollective/html": "^5.8"
   },
   "require-dev": {
     "mockery/mockery": "^1.0",
-    "orchestra/database": "^3.0",
-    "orchestra/testbench" : "^3.6",
-    "phpunit/phpunit": ">=7.0"
+    "orchestra/database": "^3.7",
+    "orchestra/testbench" : "^3.8",
+    "phpunit/phpunit": "^7.5"
   },
   "suggest": {
     "nexmo/client": "Required for sms notifications."

tests/TestCase.php

@@ -2,20 +2,20 @@
 
 namespace Studio\Totem\Tests;
 
+use Collective\Html\FormFacade;
+use Collective\Html\HtmlFacade;
+use Collective\Html\HtmlServiceProvider;
 use Exception;
 use Studio\Totem\User;
 use Studio\Totem\Totem;
-use Collective\Html\FormFacade;
-use Collective\Html\HtmlFacade;
 use Illuminate\Support\Facades\Auth;
-use Collective\Html\HtmlServiceProvider;
 use Orchestra\Testbench\Exceptions\Handler;
 use Illuminate\Contracts\Debug\ExceptionHandler;
 use Studio\Totem\Providers\TotemServiceProvider;
 
 class TestCase extends \Orchestra\Testbench\TestCase
 {
-    public function setUp()
+    public function setUp(): void
     {
         parent::setUp();