Add PHPUnit to require-dev

Author: thklein

.travis.yml

@@ -14,4 +14,4 @@ install:
   - composer install --no-interaction
 
 script:
-  - phpunit --coverage-text
+  - vendor/bin/phpunit --coverage-text

README.md

@@ -7,6 +7,7 @@ Streaming UTF-8 parser for React PHP
 * [Usage](#usage)
   * [Sequencer](#sequencer)
 * [Install](#install)
+* [Tests](#tests)
 * [License](#license)
 * [More](#more)
 
@@ -65,6 +66,21 @@ $ composer require clue/utf8-react:^0.1
 
 See also the [CHANGELOG](CHANGELOG.md) for details about version upgrades.
 
+## Tests
+
+To run the test suite, you first need to clone this repo and then install all
+dependencies [through Composer](http://getcomposer.org):
+
+```bash
+$ composer install
+```
+
+To run the test suite, go to the project root and run:
+
+```bash
+$ php vendor/bin/phpunit
+```
+
 ## License
 
 MIT

composer.json

@@ -16,5 +16,8 @@
     "require": {
         "php": ">=5.3",
         "react/stream": "^0.4 || ^0.3"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^4.8"
     }
 }