Merge pull request #946 from olivervogel/master

Added PHP versions to CI

.travis.yml

@@ -10,6 +10,8 @@ php:
   - 5.6
   - 7.0
   - 7.1
+  - 7.2
+  - 7.3
   - nightly
   - hhvm
 

tests/PsrResponseCommandTest.php

@@ -45,10 +45,10 @@ class PsrResponseCommandTest extends TestCase
         $this->assertTrue($output->hasHeader('Content-Type'));
         $this->assertTrue($output->hasHeader('Content-Length'));
 
-        $this->assertEquals(
-            "application/xml",
-            $output->getHeaderLine('Content-Type')
-        );
+        $this->assertTrue(in_array($output->getHeaderLine('Content-Type'), [
+            'application/xml',
+            'text/xml',
+        ]));
 
         $this->assertEquals(
             strlen($encodedContent),