tests: Use opened block node for block job tests

blk_insert_bs() and block job related functions will soon require an
opened block node (permission calculations will involve the block
driver), so let our tests be consistent with the real users in this
respect.
Signed-off-by: NKevin Wolf <kwolf@redhat.com>
Reviewed-by: NMax Reitz <mreitz@redhat.com>

tests/test-blockjob-txn.c

@@ -96,7 +96,10 @@ static BlockJob *test_block_job_start(unsigned int iterations,
     char job_id[24];
 
     data = g_new0(TestBlockJobCBData, 1);
-    bs = bdrv_new();
+
+    bs = bdrv_open("null-co://", NULL, NULL, 0, &error_abort);
+    g_assert_nonnull(bs);
+
     snprintf(job_id, sizeof(job_id), "job%u", counter++);
     s = block_job_create(job_id, &test_block_job_driver, bs, 0,
                          BLOCK_JOB_DEFAULT, test_block_job_cb,
@@ -242,6 +245,7 @@ static void test_pair_jobs_fail_cancel_race(void)
 int main(int argc, char **argv)
 {
     qemu_init_main_loop(&error_abort);
+    bdrv_init();
 
     g_test_init(&argc, &argv, NULL);
     g_test_add_func("/single/success", test_single_job_success);

tests/test-blockjob.c

@@ -54,7 +54,10 @@ static BlockJob *do_test_id(BlockBackend *blk, const char *id,
 static BlockBackend *create_blk(const char *name)
 {
     BlockBackend *blk = blk_new();
-    BlockDriverState *bs = bdrv_new();
+    BlockDriverState *bs;
+
+    bs = bdrv_open("null-co://", NULL, NULL, 0, &error_abort);
+    g_assert_nonnull(bs);
 
     blk_insert_bs(blk, bs);
     bdrv_unref(bs);
@@ -140,6 +143,7 @@ static void test_job_ids(void)
 int main(int argc, char **argv)
 {
     qemu_init_main_loop(&error_abort);
+    bdrv_init();
 
     g_test_init(&argc, &argv, NULL);
     g_test_add_func("/blockjob/ids", test_job_ids);