Add support for laravel 5.8.*

Author: vigneshgurusamy

README.md

@@ -11,7 +11,7 @@
 
 To install this package you will need:
 
- - Laravel >= 5.6
+ - Laravel >= 5.7
  - PHP 7.2+
 
 

composer.json

@@ -21,7 +21,7 @@
     ],
     "require": {
         "php": ">=7.2",
-        "illuminate/support": "5.6.*|5.7.*",
+        "illuminate/support": "~5.7.0|~5.8.0",
         "guzzlehttp/guzzle": "~6.0"
     },
     "autoload": {
@@ -30,7 +30,7 @@
         }
     },
     "require-dev": {
-        "orchestra/testbench": "~3.7",
+        "orchestra/testbench": "~3.8",
         "phpunit/phpunit": "~7.0"
     },
     "autoload-dev": {

phpunit.xml

@@ -1,14 +1,16 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit backupGlobals="false"
-     backupStaticAttributes="false"
-     bootstrap="vendor/autoload.php"
-     colors="true"
-     convertErrorsToExceptions="true"
-     convertNoticesToExceptions="true"
-     convertWarningsToExceptions="true"
-     processIsolation="false"
-     stopOnFailure="false"
-     syntaxCheck="false">
+         backupStaticAttributes="false"
+         bootstrap="vendor/autoload.php"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="false"
+         stopOnError="false"
+         stopOnFailure="false"
+         verbose="true"
+>
 
     <testsuites>
         <testsuite name="Linkstreet\LaravelSms Test Suite">

tests/Adapters/KapAdapterTest.php

@@ -18,7 +18,7 @@ class KapAdapterTest extends TestCase
     /**
      * {@inheritdoc}
      */
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 

tests/Adapters/TwilioAdapterTest.php

@@ -18,7 +18,7 @@ class TwilioAdapterTest extends TestCase
     /**
      * {@inheritdoc}
      */
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 

tests/SmsManagerTest.php

@@ -14,7 +14,7 @@ class SmsManagerTest extends TestCase
     /**
      * {@inheritdoc}
      */
-    public function setUp()
+    public function setUp(): void
     {
         parent::setUp();
         $this->config = config('sms');