tests: link in stubs

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/tests/Makefile b/tests/Makefile
index 9bf0765..ca680e5 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -48,7 +48,7 @@
 tests/check-qlist$(EXESUF): tests/check-qlist.o qlist.o qint.o
 tests/check-qfloat$(EXESUF): tests/check-qfloat.o qfloat.o
 tests/check-qjson$(EXESUF): tests/check-qjson.o $(qobject-obj-y) qemu-tool.o
-tests/test-coroutine$(EXESUF): tests/test-coroutine.o $(coroutine-obj-y) $(tools-obj-y) $(block-obj-y) iov.o
+tests/test-coroutine$(EXESUF): tests/test-coroutine.o $(coroutine-obj-y) $(tools-obj-y) $(block-obj-y) iov.o libqemustub.a
 tests/test-iov$(EXESUF): tests/test-iov.o iov.o
 
 tests/test-qapi-types.c tests/test-qapi-types.h :\
@@ -81,7 +81,7 @@
 QTEST_TARGETS=$(foreach TARGET,$(TARGETS), $(if $(check-qtest-$(TARGET)-y), $(TARGET),))
 check-qtest-$(CONFIG_POSIX)=$(foreach TARGET,$(TARGETS), $(check-qtest-$(TARGET)-y))
 
-qtest-obj-y = tests/libqtest.o $(oslib-obj-y)
+qtest-obj-y = tests/libqtest.o $(oslib-obj-y) libqemustub.a
 $(check-qtest-y): $(qtest-obj-y)
 
 .PHONY: check-help