Update to Omnipay 3.x

.travis.yml

@@ -1,13 +1,27 @@
 language: php
 
 php:
-  - 5.3
-  - 5.4
-  - 5.5
   - 5.6
-  - hhvm
+  - 7.0
+  - 7.1
+  - 7.2
 
-before_script:
-  - composer install -n --dev --prefer-source
+env:
+  global:
+    - setup=basic
+
+matrix:
+  include:
+    - php: 5.6
+      env: setup=lowest
+
+sudo: false
+
+before_install:
+  - travis_retry composer self-update
+
+install:
+  - if [[ $setup = 'basic' ]]; then travis_retry composer install --no-interaction --prefer-dist; fi
+  - if [[ $setup = 'lowest' ]]; then travis_retry composer update --prefer-dist --no-interaction --prefer-lowest --prefer-stable; fi
 
 script: vendor/bin/phpcs --standard=PSR2 src && vendor/bin/phpunit --coverage-text

README.md

@@ -17,7 +17,7 @@ to your `composer.json` file:
 ```json
 {
     "require": {
-        "dioscouri/omnipay-cybersource": "~2.0"
+        "dioscouri/omnipay-cybersource": "~3.0"
     }
 }
 ```

composer.json

@@ -23,9 +23,15 @@
         "psr-4": { "Omnipay\\Cybersource\\" : "src/" }
     },
     "require": {
-        "omnipay/common": "~2.0"
+        "omnipay/common": "~3.0"
     },
     "require-dev": {
-        "omnipay/tests": "~2.0"
+        "omnipay/tests": "~3.0",
+        "squizlabs/php_codesniffer": "^3"
+    },
+    "extra": {
+        "branch-alias": {
+           "dev-master": "3.0.x-dev"
+        }
     }
-}
+}

phpunit.xml.dist

@@ -14,9 +14,6 @@
             <directory>./tests/</directory>
         </testsuite>
     </testsuites>
-    <listeners>
-        <listener class="Mockery\Adapter\Phpunit\TestListener" file="vendor/mockery/mockery/library/Mockery/Adapter/Phpunit/TestListener.php" />
-    </listeners>
     <filter>
         <whitelist>
             <directory>./src</directory>