Install phpunit plugin for Psalm

composer.json

@@ -43,6 +43,7 @@
         "nikic/php-parser": "^4.4",
         "phpstan/phpstan": "^0.12",
         "phpunit/phpunit": "^8.4.1",
+        "psalm/plugin-phpunit": "^0.10.0",
         "symfony/console": "^2.0.5|^3.0|^4.0|^5.0",
         "vimeo/psalm": "^3.11"
     },

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "6bf4905b268231ccd58bdbe30d4ecf81",
+    "content-hash": "48526e240461408d90e490246c3b4531",
     "packages": [
         {
             "name": "doctrine/cache",
@@ -1703,6 +1703,57 @@
             ],
             "time": "2019-10-07T12:57:41+00:00"
         },
+        {
+            "name": "psalm/plugin-phpunit",
+            "version": "0.10.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/psalm/psalm-plugin-phpunit.git",
+                "reference": "12b3978cea0e9ad3aa3a127a93d3b8a1ce0eb2af"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/psalm/psalm-plugin-phpunit/zipball/12b3978cea0e9ad3aa3a127a93d3b8a1ce0eb2af",
+                "reference": "12b3978cea0e9ad3aa3a127a93d3b8a1ce0eb2af",
+                "shasum": ""
+            },
+            "require": {
+                "composer/semver": "^1.4",
+                "ext-simplexml": "*",
+                "ocramius/package-versions": "^1.3",
+                "php": "^7.1.3",
+                "phpunit/phpunit": "^7.5 || ^8.0 || ^9.0",
+                "vimeo/psalm": "^3.6.2 || dev-master"
+            },
+            "require-dev": {
+                "codeception/codeception": "^4.0.3",
+                "squizlabs/php_codesniffer": "^3.3.1",
+                "weirdan/codeception-psalm-module": "^0.4.0"
+            },
+            "type": "psalm-plugin",
+            "extra": {
+                "psalm": {
+                    "pluginClass": "Psalm\\PhpUnitPlugin\\Plugin"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Psalm\\PhpUnitPlugin\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Matt Brown",
+                    "email": "github@muglug.com"
+                }
+            ],
+            "description": "Psalm plugin for PHPUnit",
+            "time": "2020-04-05T22:49:26+00:00"
+        },
         {
             "name": "psr/container",
             "version": "1.0.0",
@@ -2596,6 +2647,20 @@
             ],
             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
             "time": "2020-03-30T11:41:10+00:00"
         },
         {