make compatible with Laravel 6

.travis.yml

@@ -1,17 +1,39 @@
-language: php
+cache:
+    directories:
+        - $HOME/.composer/cache
 
-php:
-  - 7.2
-  - 7.3
+language: php
 
 env:
-  matrix:
-    - COMPOSER_FLAGS="--prefer-lowest"
-    - COMPOSER_FLAGS=""
+    global:
+        - COVERAGE=0
+
+matrix:
+    include:
+        - php: 7.2
+          env: LARAVEL='5.8.*' TESTBENCH='3.8.*' COMPOSER_FLAGS='--prefer-lowest'
+        - php: 7.2
+          env: LARAVEL='5.8.*' TESTBENCH='3.8.*' COMPOSER_FLAGS='--prefer-stable'
+        - php: 7.3
+          env: LARAVEL='5.8.*' TESTBENCH='3.8.*' COMPOSER_FLAGS='--prefer-lowest'
+        - php: 7.3
+          env: LARAVEL='5.8.*' TESTBENCH='3.8.*' COMPOSER_FLAGS='--prefer-stable'
+        - php: 7.2
+          env: LARAVEL='6.*' TESTBENCH='4.*' COMPOSER_FLAGS='--prefer-lowest'
+        - php: 7.2
+          env: LARAVEL='6.*' TESTBENCH='4.*' COMPOSER_FLAGS='--prefer-stable'
+        - php: 7.3
+          env: LARAVEL='6.*' TESTBENCH='4.*' COMPOSER_FLAGS='--prefer-lowest'
+        - php: 7.3
+          env: LARAVEL='6.*' TESTBENCH='4.*' COMPOSER_FLAGS='--prefer-stable'
+    fast_finish: true
 
 before_script:
-  - travis_retry composer self-update
-  - travis_retry composer update ${COMPOSER_FLAGS} --no-interaction --prefer-source
+    - composer config discard-changes true
+
+before_install:
+    - travis_retry composer self-update
+    - travis_retry composer require "laravel/framework:${LARAVEL}" "orchestra/testbench:${TESTBENCH}" --no-interaction --no-update
 
-script:
-  - vendor/bin/phpunit
+install:
+    - travis_retry composer update ${COMPOSER_FLAGS} --prefer-dist --no-interaction --no-suggest

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 All notable changes to `laravel-artisan-dd` will be documented in this file
 
+## 2.2.0 - 2019-09-04
+
+- make compatible with Laravel 6
+
 ## 2.1.0 - 2018-02-27
 
 - drop support for PHP 7.1

composer.json

@@ -20,10 +20,10 @@
     ],
     "require": {
         "php": "^7.2",
-        "laravel/framework": "~5.8.0"
+        "laravel/framework": "~5.8.0|^6.0"
     },
     "require-dev": {
-        "orchestra/testbench": "~3.8.0",
+        "orchestra/testbench": "~3.8.0|^4.0",
         "phpunit/phpunit": "^8.0"
     },
     "autoload": {