diff --git a/.travis.yml b/.travis.yml
index b3fafdf..37a14d7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,7 @@ php:
   - 5.5
   - 5.6
   - 7.0
+# - 7.0 # Mac OS X test setup, see below
   - 7.1
   - nightly # ignore errors, see below
   - hhvm # ignore errors, see below
@@ -17,11 +18,29 @@ matrix:
   include:
     - php: 5.3
       dist: precise
+  include:
+    - os: osx
+      language: generic
+      php: 7.0 # just to look right on travis
+      env:
+        - PACKAGE: php70
   allow_failures:
     - php: nightly
     - php: hhvm
 
 install:
+  # OSX install inspired by https://github.com/kiler129/TravisCI-OSX-PHP
+  - |
+    if [[ "${TRAVIS_OS_NAME}" == "osx" ]]; then 
+      brew tap homebrew/homebrew-php 
+      echo "Installing PHP ..."
+      brew install "${PACKAGE}"
+      brew install "${PACKAGE}"-xdebug
+      brew link "${PACKAGE}"
+      echo "Installing composer ..."
+      curl -s http://getcomposer.org/installer | php
+      mv composer.phar /usr/local/bin/composer
+    fi
   - composer install --no-interaction
 
 script:
diff --git a/tests/DuplexResourceStreamIntegrationTest.php b/tests/DuplexResourceStreamIntegrationTest.php
index 37d05da..f7f2860 100644
--- a/tests/DuplexResourceStreamIntegrationTest.php
+++ b/tests/DuplexResourceStreamIntegrationTest.php
@@ -248,7 +248,7 @@ public function testReadsMultipleChunksFromProcessPipe($condition, $loopFactory)
 
         $loop = $loopFactory();
 
-        $stream = new ReadableResourceStream(popen('echo -n a;sleep 0.1;echo -n b;sleep 0.1;echo -n c', 'r'), $loop);
+        $stream = new ReadableResourceStream(popen('echo a;sleep 0.1;echo b;sleep 0.1;echo c', 'r'), $loop);
 
         $buffer = '';
         $stream->on('data', function ($chunk) use (&$buffer) {
@@ -260,7 +260,7 @@ public function testReadsMultipleChunksFromProcessPipe($condition, $loopFactory)
 
         $loop->run();
 
-        $this->assertEquals('abc', $buffer);
+        $this->assertEquals("a\n" . "b\n" . "c\n", $buffer);
     }
 
     /**