bug 1544244 - disable test_toolkit_securityreporter.js because TLS error reports are disabled by default and it intermittently fails r=kjacobs

Differential Revision: https://phabricator.services.mozilla.com/D51954

--HG--
extra : moz-landing-system : lando

security/manager/ssl/tests/unit/xpcshell.ini

@@ -230,5 +230,8 @@ run-sequentially = hardcoded ports
 [test_x509.js]
 
 # The TLS error reporting functionality lives in /toolkit but needs tlsserver
+# This feature is disabled by default (see bug 1579906).
+# It also fails intermittently (see bug 1563652 and bug 1544244).
 [test_toolkit_securityreporter.js]
 run-sequentially = hardcoded ports
+skip-if = true