Fixing the path reported by the gatkbot when there are test failures

[lbergelson]

@jamesemery please review

[codecov]

Codecov Report

Merging #8069 (dee692a) into master (9321181) will increase coverage by 34.097%.
The diff coverage is n/a.

Additional details and impacted files

@@               Coverage Diff                @@
##              master     #8069        +/-   ##
================================================
+ Coverage     52.542%   86.639%   +34.097%     
- Complexity     29595     38933      +9338     
================================================
  Files           2334      2334                
  Lines         182619    182619                
  Branches       20048     20047         -1     
================================================
+ Hits           95952    158219     +62267     
+ Misses         80602     17362     -63240     
- Partials        6065      7038       +973     

Impacted Files	Coverage Δ
...roadinstitute/hellbender/tools/LocalAssembler.java	67.425% <0.000%> (+0.073%)	⬆️
...roadinstitute/hellbender/utils/read/ReadUtils.java	82.278% <0.000%> (+0.316%)	⬆️
...stitute/hellbender/cmdline/CommandLineProgram.java	84.516% <0.000%> (+0.645%)	⬆️
...lyBasedSVDiscoveryTestDataProviderForSimpleSV.java	100.000% <0.000%> (+0.894%)	⬆️
.../main/java/org/broadinstitute/hellbender/Main.java	72.685% <0.000%> (+1.389%)	⬆️
...llbender/engine/filters/SoftClippedReadFilter.java	94.286% <0.000%> (+2.857%)	⬆️
...VDiscoveryTestDataProviderForBreakEndVariants.java	100.000% <0.000%> (+3.279%)	⬆️
...org/broadinstitute/hellbender/utils/RandomDNA.java	96.629% <0.000%> (+4.494%)	⬆️
...coveryTestDataProviderForInversionBreakpoints.java	100.000% <0.000%> (+4.615%)	⬆️
...bender/utils/pairhmm/FlowBasedPairHMMUnitTest.java	8.108% <0.000%> (+5.405%)	⬆️
... and 585 more

[cmnbroad]

@lbergelson, thanks for fixing this annoying bug! Just verified it on a failed PR.