Report error when path is missing in input
Add timing for each individual TEST_<IDX> step (PHI Kanban #3515)

When I added start and end times, I should have added timing for each
TEST_<IDX> case and the overall test time.

Now we can see which TEST_<IDX> time is taking how much of the total time.

Build/Test Cases Summary
Enabled Packages:
Enabled all Packages
0) MPI_DEBUG => passed: passed=186,notpassed=0 (3.26 min)
1) SERIAL_RELEASE => passed: passed=181,notpassed=0 (1.98 min)