Run tests in parallel (#170)

* Run tests in parallel

* Disable/enable some services

* Do not install redis on PHP 5.6

* Run composer update

* Install redis 3.0.0

* Enable redis extension but do not install

* Bugfix

* force instsall dependencies

* Force install stuff

* Fixes

* Minors

* Updated deps

* Debub

* Coverage fix

* Reduce sleep

* Because... you know

* Sleep less

* Applied changes from StyleCI

* Applied changes from StyleCI

Author: Nyholm

Tests/CreateServerTrait.php

@@ -36,4 +36,13 @@ public function getCollection()
 
         return $this->collection;
     }
+
+    public static function setUpBeforeClass()
+    {
+        if (!class_exists('\MongoDB\Collection')) {
+            static::markTestSkipped('MonogoDB extension not installed.');
+        }
+
+        parent::setUpBeforeClass();
+    }
 }

composer.json

@@ -4,6 +4,7 @@
     "type":              "library",
     "license":           "MIT",
     "minimum-stability": "dev",
+    "prefer-stable":     true,
     "keywords":          [
         "cache",
         "psr-6",
@@ -31,7 +32,7 @@
         "mongodb/mongodb":      "^1.0"
     },
     "require-dev":       {
-        "phpunit/phpunit":         "^4.0 || ^5.1",
+        "phpunit/phpunit":         "^5.7.21",
         "cache/integration-tests": "^0.16"
     },
     "provide":           {