FS-7648 test config tweaks

conf/testing/autoload_configs/conference.conf.xml

@@ -257,7 +257,7 @@
       <param name="video-canvas-size" value="1920x1080"/>
       <param name="video-canvas-bgcolor" value="#333333"/>
       <param name="video-layout-bgcolor" value="#000000"/>
-      <param name="video-codec-bandwidth" value="1mb"/>
+      <param name="video-codec-bandwidth" value="3mb"/>
       <param name="video-fps" value="15"/>
     </profile>