Temporary add HHVM to allow_failures

Author: mekras

.travis.yml

@@ -21,6 +21,8 @@ matrix:
   include:
     - php: 5.5
       env: COMPOSER_FLAGS="--prefer-stable --prefer-lowest" COVERAGE=true PHPUNIT_FLAGS="--coverage-clover build/coverage.xml"
+  allow_failures:
+    - php: hhvm
 
 before_install:
   - travis_retry composer self-update

tests/HttpClientTestCase.php

@@ -8,11 +8,6 @@
  */
 abstract class HttpClientTestCase extends HttpClientTest
 {
-    public static function setUpBeforeClass()
-    {
-        //self::$logPath = PHPUnitUtility::getFile(true, 'php-http-adapter.log');
-    }
-
     /**
      * @dataProvider requestProvider
      * @group        integration