fix composer phpunit requirement for php 7.1

jamesj2 · jamesj2 · commit 4340fb623f41 · 2019-11-05T11:22:23.000-06:00
diff --git a/composer.json b/composer.json
@@ -10,7 +10,8 @@
         "ext-json": "*"
     },
     "require-dev": {
-        "orchestra/testbench": "~3.0"
+        "orchestra/testbench": "~3.8.5",
+        "phpunit/phpunit": "^7.5.17"
     },
     "autoload": {
         "psr-4": {
