using composer-installed phpunit

Author: mpackard@wayfair.com

.travis.yml

@@ -14,7 +14,7 @@ before_script:
 
 # Commands you want to run that will verify your build.
 script:
-  - phpunit --coverage-text --coverage-clover=coverage.clover
+  - php vendor/bin/phpunit --coverage-text --coverage-clover=coverage.clover
 
 after_success:
   - bash <(curl -s https://codecov.io/bash)

composer.json

@@ -8,7 +8,7 @@
         "ramsey/uuid": "^3.5"
     },
     "require-dev": {
-        "phpunit/phpunit": "^5.7"
+        "phpunit/phpunit": "5.7"
     },
     "license": "BSD-2-Clause",
     "authors": [