Refactor stream integration test

Signed-off-by: Andrew DeMaria <lostonamountain@gmail.com>

integration-test/src/test/resources/features/api/stream-mp3.feature

@@ -1,11 +1,12 @@
 Feature: Stream API for MP3
 
   Background:
-    Given Media file stream/piano/piano.mp3 is added
+    Given Media file piano is added
     And a scan is done
 
   Scenario: Airsonic sends stream data
-    When A stream request is sent
+    When A stream is consumed
+    Then Print debug output
     Then The response bytes are equal
-    # TODO check length
+    Then The length headers are correct