igt/gem_eio: Check we succeed in unwedging the driver

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/tests/gem_eio.c b/tests/gem_eio.c
index 22fcf43..d9e6865 100644
--- a/tests/gem_eio.c
+++ b/tests/gem_eio.c
@@ -228,6 +228,7 @@
 
 	igt_fixture {
 		fd = drm_open_driver(DRIVER_INTEL);
+		igt_require_gem(fd);
 		igt_require_hang_ring(fd, I915_EXEC_DEFAULT);
 	}