updated composer.lock and fixed broken phpunit installation

composer.json

@@ -68,7 +68,7 @@
         "bower-asset/yii2-pjax": ">=2.0.1"
     },
     "require-dev": {
-        "phpunit/phpunit": "~4.5",
+        "phpunit/phpunit": "~4.4",
         "cebe/indent": "*"
     },
     "suggest": {

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "67a0cfdccceaeeae75cab6c8d62f6983",
+    "hash": "a1ba02f94426ee64a99dfec5c5c45114",
     "packages": [
         {
             "name": "bower-asset/jquery",
@@ -757,6 +757,134 @@
             "time": "2015-06-19 03:43:16"
         },
         {
+            "name": "phpunit/phpunit",
+            "version": "4.8.x-dev",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/phpunit.git",
+                "reference": "0fe5ed323f0017624a65746153ae3fd69c308c1b"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/0fe5ed323f0017624a65746153ae3fd69c308c1b",
+                "reference": "0fe5ed323f0017624a65746153ae3fd69c308c1b",
+                "shasum": ""
+            },
+            "require": {
+                "ext-dom": "*",
+                "ext-json": "*",
+                "ext-pcre": "*",
+                "ext-reflection": "*",
+                "ext-spl": "*",
+                "php": ">=5.3.3",
+                "phpspec/prophecy": "^1.3.1",
+                "phpunit/php-code-coverage": "~2.1",
+                "phpunit/php-file-iterator": "~1.4",
+                "phpunit/php-text-template": "~1.2",
+                "phpunit/php-timer": ">=1.0.6",
+                "phpunit/phpunit-mock-objects": "~2.3",
+                "sebastian/comparator": "~1.1",
+                "sebastian/diff": "~1.2",
+                "sebastian/environment": "~1.3",
+                "sebastian/exporter": "~1.2",
+                "sebastian/global-state": "~1.0",
+                "sebastian/version": "~1.0",
+                "symfony/yaml": "~2.1|~3.0"
+            },
+            "suggest": {
+                "phpunit/php-invoker": "~1.1"
+            },
+            "bin": [
+                "phpunit"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.8.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "The PHP Unit Testing framework.",
+            "homepage": "https://phpunit.de/",
+            "keywords": [
+                "phpunit",
+                "testing",
+                "xunit"
+            ],
+            "time": "2015-08-02 08:24:28"
+        },
+        {
+            "name": "phpunit/phpunit-mock-objects",
+            "version": "2.3.x-dev",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/phpunit-mock-objects.git",
+                "reference": "ca2e42cad8446a05691cc4327b7ce3ed45bfdb11"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/ca2e42cad8446a05691cc4327b7ce3ed45bfdb11",
+                "reference": "ca2e42cad8446a05691cc4327b7ce3ed45bfdb11",
+                "shasum": ""
+            },
+            "require": {
+                "doctrine/instantiator": "^1.0.2",
+                "php": ">=5.3.3",
+                "phpunit/php-text-template": "~1.2",
+                "sebastian/exporter": "~1.2"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.4"
+            },
+            "suggest": {
+                "ext-soap": "*"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.3.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sb@sebastian-bergmann.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Mock Object library for PHPUnit",
+            "homepage": "https://github.com/sebastianbergmann/phpunit-mock-objects/",
+            "keywords": [
+                "mock",
+                "xunit"
+            ],
+            "time": "2015-08-02 07:29:52"
+        },
+        {
             "name": "sebastian/comparator",
             "version": "dev-master",
             "source": {