qemu.tests: add missed cfg for block_stream tests

Signed-off-by: NXu Tian <xutian@redhat.com>

qemu/tests/block_stream.py

@@ -132,7 +132,7 @@ def run_block_stream(test, params, env):
         logging.info("Checking whether the guest with backup-harddrive boot "
                      "and respond after block stream completion")
         error.context("checking responsiveness of guest")
-        session.cmd(params["alive_test_cmd"])
+        session.cmd(params["alive_check_cmd"])
 
         # Finally shutdown the virtual machine
         vm.destroy()

qemu/tests/cfg/block_stream.cfg

@@ -12,6 +12,8 @@
         - simple_test:
             type = block_stream_simple
             variants:
+                - start_stream:
+                     type =block_stream
                 - set_speed:
                      default_speed_image1 = 10M
                      after_finished = "reboot verify_alive"