Tests: Skip nonce tests in old iOS/Android as well

Old iOS & Android Browser versions support script-src but not nonce, making the
nonce test impossible to run. Browsers not supporting CSP at all are not
a problem as they'll skip script-src restrictions completely.

Ref jquerygh-3541
Ref jquerygh-4269
Ref c7c2855

Author: mgol

test/unit/manipulation.js

@@ -2850,8 +2850,11 @@ testIframe(
 		} );
 	},
 
-	// Support: Edge 18+
+	// Support: Edge 18+, iOS 7-9 only, Android 4.0-4.4 only
 	// Edge doesn't support nonce in non-inline scripts.
 	// See https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/13246371/
-	QUnit[ /\bedge\//i.test( navigator.userAgent ) ? "skip" : "test" ]
+	// Old iOS & Android Browser versions support script-src but not nonce, making this test
+	// impossible to run. Browsers not supporting CSP at all are not a problem as they'll skip
+	// script-src restrictions completely.
+	QUnit[ /\bedge\/|iphone os [789]|android 4\./i.test( navigator.userAgent ) ? "skip" : "test" ]
 );