Revert "fix test"

This reverts commit f35e2efd4efea9b5a17f8e3a30ee2665b497b911.

test/testutility.h

@@ -21,7 +21,7 @@ private slots:
     void testFormatFingerprint()
     {
         QVERIFY2(formatFingerprint("68ac906495480a3404beee4874ed853a037a7a8f")
-                 == "68 ac 90 64 95 48 0a 34 04 be ee 48 74 ed 85 3a 03 7a 7a 8f",
+                 == "68:ac:90:64:95:48:0a:34:04:be:ee:48:74:ed:85:3a:03:7a:7a:8f",
 		"Utility::formatFingerprint() is broken");
     }
     void testOctetsToString()