Merge pull request #286 from intuit/fix-travis-build

Update travis to be compatible with PHP version 7.1

Author: bsivalingam

.travis.yml

@@ -4,8 +4,8 @@ php:
 - 7.1
 - 7.2
 before_install:
-- if [[ $TRAVIS_PHP_VERSION == 7.1* ]]; then composer require phpunit/phpunit:~7.5.9; else composer self-update;fi
+- composer self-update
 before_script:
 - composer install
 script:
-- phpunit --configuration phpunit.xml
+- vendor/bin/phpunit --configuration phpunit.xml

composer.json

@@ -10,7 +10,7 @@
         "ext-dom": "*"
     },
     "require-dev": {
-        "phpunit/phpunit": "^5.7"
+        "phpunit/phpunit": "^5.0 || ^6.0 || ^7.0"
     },
     "autoload": {
         "psr-4": {