You can create a report that compares
different nodes or time ranges within a single run. You can also create a
report that compares the results of different runs.
About this task
To quickly create a report that compares the results of different
runs, select the runs in the Test Navigator, right-click, and then select
Compare.
To
create a more complex comparison, such as comparing results from nodes or
time ranges, first select the base run, and then select the runs to compare
with the base run: