Load some trace with all categories active and then load another one with the first category inactive. The effect is that all events are one row off because the clearing of the first category didn't send the heightChanged() signal after clearing.
|For Gerrit Dashboard: QTCREATORBUG-14507|
|113078,2||Timeline: Emit heightChanged() when empty changes||3.4||qt-creator/qt-creator||Status: MERGED||+2||0|
|113128,2||Timeline: Test that model height change signals make sense||master||qt-creator/qt-creator||Status: MERGED||+2||0|