tests: Call virFileWrapperClearPrefixes() for tests using virFileWrapper

This is mostly to avoid a memleak that is not a true memleak
anyway - prefixes will be freed by kernel upon test exit.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>

tests/qemufirmwaretest.c

@@ -128,6 +128,8 @@ mymain(void)
     if (virTestRun("QEMU FW precedence test", testFWPrecedence, NULL) < 0)
         ret = -1;
 
+    virFileWrapperClearPrefixes();
+
     return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
 }
 

tests/qemuxml2argvtest.c

@@ -3044,6 +3044,7 @@ mymain(void)
     qemuTestDriverFree(&driver);
     VIR_FREE(fakerootdir);
     virHashFree(capslatest);
+    virFileWrapperClearPrefixes();
 
     return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
 }