IMPR: SS5 test

composer.json

@@ -13,7 +13,7 @@
     }],
     "minimum-stability": "dev",
     "require": {
-        "silverstripe/cms": "^4",
+        "silverstripe/cms": "*",
         "dnadesign/silverstripe-elemental": "*",
         "dnadesign/silverstripe-elemental-list": "*",
         "betterbrief/silverstripe-googlemapfield": "*",
@@ -24,9 +24,6 @@
         "a2nt/silverstripe-mapboxfield": "dev-master",
 	"lekoala/silverstripe-filepond": "*"
     },
-    "require-dev": {
-        "phpunit/phpunit": "^5.7"
-    },
     "autoload": {
         "psr-4": {
             "A2nt\\ElementalBasics\\": "src/"