Drop support for Laravel 5.5 and PHP 7.0

Author: ivanvermeyen

.travis.yml

@@ -2,8 +2,6 @@ language: php
 
 matrix:
     include:
-        - php: 7.0
-          env: ILLUMINATE_VERSION=5.5.* TESTBENCH_VERSION=3.5.*
         - php: 7.1
           env: ILLUMINATE_VERSION=5.8.* TESTBENCH_VERSION=3.8.*
         - php: 7.1

composer.json

@@ -15,11 +15,11 @@
         }
     ],
     "require": {
-        "php": ">=7.0"
+        "php": ">=7.1"
     },
     "require-dev": {
-        "orchestra/testbench": ">=3.5",
-        "phpunit/phpunit": "^6.0|^7.0|^8.0"
+        "orchestra/testbench": ">=3.6",
+        "phpunit/phpunit": "^7.0|^8.0"
     },
     "autoload": {
         "psr-4": {