s/drmtest_subtest_block/drmtest_subtest/

The _block postfix meant to convey that a C statement/block must
follow can be misread as the verb to block. So drop it.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

tests/prime_nv_api.c

@@ -569,7 +569,7 @@ int main(int argc, char **argv)
 	intel_batch = intel_batchbuffer_alloc(bufmgr, devid);
 
 #define xtest(name) \
-	drmtest_subtest_block(#name) \
+	drmtest_subtest(#name) \
 		if (test_##name()) \
 			exit(2);