testutils: Don't leak @testBitmap and @failedTests

In virTestMain() the @failedTests bitmap is allocated and
optionally @testBitmap too. But neither of them is freed.

Fixes: 0cd5a726e3
Fixes: cebb468ef5
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>

tests/testutils.c

@@ -856,6 +856,9 @@ int virTestMain(int argc,
         fprintf(stderr, "Some tests failed. Run them using:\n");
         fprintf(stderr, "VIR_TEST_DEBUG=1 VIR_TEST_RANGE=%s %s\n", failed, argv[0]);
     }
+
+    virBitmapFree(testBitmap);
+    virBitmapFree(failedTests);
     virLogReset();
     return ret;
 }