Change-Id: I3732990a314d137f0d8d8a955f1983b0781a002f
<pre_condition>The bluetooth/visible of the test device MUST be turned on.</pre_condition>
<steps>
<step order="1">
- <step_desc>Change bluetooth visible to "Off" by command "sdb root on && sdb shell hciconfig hci0 noscan"</step_desc>
+ <step_desc>Change bluetooth visible to "Off" by command "sdb root on" and "sdb shell hciconfig hci0 noscan"</step_desc>
<expected>all subtests should be successful, and then revert the visible mode by command "sdb shell hciconfig hci0 piscan"</expected>
</step>
</steps>