Fleshing out a bit further

composer.json

@@ -9,11 +9,21 @@
         "doctrine/orm": "^2.12",
         "symfony/framework-bundle": "*"
     },
+    "require-dev": {
+        "vimeo/psalm": "^4.24",
+        "psalm/plugin-symfony": "^3.1",
+        "phpunit/phpunit": "^9.5"
+    },
     "autoload": {
         "psr-4": {
             "Pcm\\SearchBundle\\": "src/"
         }
-    },  
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "Pcm\\SearchBundle\\": "tests/"
+        }
+    },
     "authors": [
         {
             "name": "Matt Feeny",
@@ -23,9 +33,5 @@
             "name": "Bradley Goode",
             "email": "bg@pcmsystems.co.uk"
         }
-    ],
-    "require-dev": {
-        "vimeo/psalm": "^4.24",
-        "psalm/plugin-symfony": "^3.1"
-    }
+    ]
 }