[IMPR] show a {black;yellow} bar on simulation
[IMPR] show a {black;yellow} bar on simulation

Use a yellow bar. Otherwise the message would interfer the
transliteration text (lightyellow on black)

Change-Id: I6716f9176d7c013335f5e5124c8508a1033d9f25

wikimedia/pywikibot-core,wikimedia/pywikibot-core