diff --git a/tests/unit/framework/caching/MemCacheTest.php b/tests/unit/framework/caching/MemCacheTest.php
index 858196e..96f64e4 100644
--- a/tests/unit/framework/caching/MemCacheTest.php
+++ b/tests/unit/framework/caching/MemCacheTest.php
@@ -29,6 +29,7 @@ class MemCacheTest extends CacheTestCase
 
 	public function testExpire()
 	{
+		print_r($_ENV);
 		if (isset($_ENV['TRAVIS']) && $_ENV['TRAVIS']) {
 			$this->markTestSkipped('Can not reliably test memcache expiry on travis-ci.');
 		}
diff --git a/tests/unit/framework/caching/MemCachedTest.php b/tests/unit/framework/caching/MemCachedTest.php
index 1536ac9..ca7baea 100644
--- a/tests/unit/framework/caching/MemCachedTest.php
+++ b/tests/unit/framework/caching/MemCachedTest.php
@@ -29,6 +29,7 @@ class MemCachedTest extends CacheTestCase
 
 	public function testExpire()
 	{
+		print_r($_ENV);
 		if (isset($_ENV['TRAVIS']) && $_ENV['TRAVIS']) {
 			$this->markTestSkipped('Can not reliably test memcached expiry on travis-ci.');
 		}