Do not check Wowza if disabled

tests/scripts/test_wowza.py

@@ -33,7 +33,7 @@ def main():
     errors = 0
 
     # check if wowza is installed
-    if not check_installed():
+    if not check_installed_and_enabled():
         exit(2)
 
     # check wowza version
@@ -72,21 +72,26 @@ def main():
     exit(0)
 
 
-def check_installed() -> bool:
-    '''Check that Wowza is installed.
+def check_installed_and_enabled() -> bool:
+    '''Check that Wowza is installed and enabled.
 
     :return: Exit return codes
     :rtype: bool
     '''
 
     cmd = 'dpkg --get-selections "wowza*"'
-    out = subprocess.getoutput(cmd)
+    out = subprocess.getoutput(cmd).strip()
     state = out.split()[-1]
-
     if state != 'install':
         lg.info('not installed, skip test')
         return False
 
+    cmd = 'systemctl is-enabled WowzaStreamingEngine'
+    out = subprocess.getoutput(cmd).strip()
+    if not out.endswith('enabled'):
+        lg.info('not enabled, skip test')
+        return False
+
     return True