Allow php 8 (phpunit and test)

Author: Thomas COMBE

Diff for: composer.json

@@ -26,7 +26,7 @@
         "larapack/dd": "^1.0",
         "mockery/mockery": "^1.0",
         "orchestra/testbench": "~3.5|~3.8",
-        "phpunit/phpunit": "^7.0",
+        "phpunit/phpunit": "^7.0|^8.0",
         "predis/predis": "^1.1",
         "scrutinizer/ocular": "^1.5"
     },

Diff for: tests/CorrectPhpVersionIsInstalledTest.php

@@ -60,7 +60,7 @@ public function it_accepts_version_with_asterix()
 
         $data = file_get_contents(__DIR__ . '/fixtures/composer.json');
 
-        $data = str_replace('"php": "^7.1.3",', '"php": "7.*",', $data);
+        $data = str_replace('"php": "^7.1.3",', '"php": "7.*|8.*",', $data);
 
         $fileSystemMock->shouldReceive('get')
             ->andReturn($data);