software/slapos-sr-testing: fix turnserver egg name

See merge request !718

software/slapos-sr-testing/software.cfg

@@ -114,7 +114,7 @@ setup = ${slapos-repository:location}/software/nextcloud/test/
 
 [slapos.test.turnserver-setup]
 <= setup-develop-egg
-egg = slapos.test.nextcloud
+egg = slapos.test.turnserver
 setup = ${slapos-repository:location}/software/turnserver/test/
 
 [slapos.test.theia-setup]