meson: convert tests/qtest to meson

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/tests/qtest/endianness-test.c b/tests/qtest/endianness-test.c
index cc088ac..4e79e22 100644
--- a/tests/qtest/endianness-test.c
+++ b/tests/qtest/endianness-test.c
@@ -13,7 +13,7 @@
 
 #include "qemu/osdep.h"
 
-#include "libqtest.h"
+#include "libqos/libqtest.h"
 #include "qemu/bswap.h"
 
 typedef struct TestCase TestCase;