Add test for ignore_sighup option
Add test for ignore_sighup option

nodish/pexpect,Depado/pexpect,quatanium/pexpect,quatanium/pexpect,quatanium/pexpect,nodish/pexpect,dongguangming/pexpect,dongguangming/pexpect,Wakeupbuddy/pexpect,bangi123/pexpect,bangi123/pexpect,Wakeupbuddy/pexpect,dongguangming/pexpect,crdoconnor/pexpect,blink1073/pexpect,blink1073/pexpect,Depado/pexpect,nodish/pexpect,Depado/pexpect,Wakeupbuddy/pexpect,Depado/pexpect,Wakeupbuddy/pexpect,crdoconnor/pexpect,dongguangming/pexpect,crdoconnor/pexpect,blink1073/pexpect,bangi123/pexpect,bangi123/pexpect