Add PHPUnit to require-dev

Author: clue

.travis.yml

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

README.md

@@ -10,6 +10,7 @@ Async HTTP CONNECT proxy connector, use any TCP/IP protocol through an HTTP prox
     * [create()](#create)
   * [ProxyConnector](#proxyconnector)
 * [Install](#install)
+* [Tests](#tests)
 * [License](#license)
 * [More](#more)
 
@@ -178,6 +179,21 @@ $ composer require clue/http-proxy-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

@@ -25,6 +25,7 @@
         "ringcentral/psr7": "^1.2"
     },
     "require-dev": {
+        "phpunit/phpunit": "^4.8",
         "react/socket-client": "^0.5",
         "clue/block-react": "^1.1"
     }