tests: skip qemublocktest if building without YAJL

If no JSON parser is available qemublocktest fails, so skip its execution.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>

tests/qemublocktest.c

@@ -19,6 +19,8 @@
 #include <stdlib.h>
 
 #include "testutils.h"
+
+#if WITH_YAJL
 # include "testutilsqemu.h"
 # include "testutilsqemuschema.h"
 # include "virstoragefile.h"
@@ -500,4 +502,12 @@ mymain(void)
     return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
 }
 
+#else
+static int
+mymain(void)
+{
+    return EXIT_AM_SKIP;
+}
+#endif
+
 VIR_TEST_MAIN(mymain)