get workdir URL directly

as opposed to buggily trying to build it ourselves from the path

Change-Id: Ibf44fac809a9cf12bc654a5a2f8ac8f00866b1a3

dbaccess/qa/extras/dialog-save.cxx

@@ -67,7 +67,7 @@ DialogSaveTest::DialogSaveTest()
 void DialogSaveTest::test()
 {
     OUString aFileName;
-    aFileName = "file://" + getPathFromWorkdir("/CppunitTest/testDialogSave.odb");
+    aFileName = getURLFromWorkdir("/CppunitTest/testDialogSave.odb");
     {
         uno::Reference< lang::XComponent > xComponent = loadFromDesktop(aFileName);
         CPPUNIT_ASSERT(xComponent.is());