Rewrite import key with rnp

tests/units/tst_utils.qml

@@ -0,0 +1,15 @@
+import QtQuick 2.9
+import QtTest 1.2
+import TestsUtils 1.0
+import Utils 1.0
+
+TestCase {
+    function test_unzip() {
+        var tempPath = TestUtils.getTempPath() + "/password-store";
+        var zipUrl = Qt.resolvedUrl("../assets/archive.zip");
+        var r = Utils.unzip(zipUrl, tempPath);
+        verify(r, "Unzip return an error %1".arg(zipUrl));
+    }
+
+    name: "utils"
+}