Refactor/tests

[timcadman]

What's changed

• Add unit tests for unhappy path where object doesn't exist
• Add unit tests for unhappy path where input object is of the wrong class
• Fix bug where performance duration was hard-coded to 30 seconds
• Remove Arjun copywrite header mistakenly added to tests which I wrote. I'm happy to leave this in if you'd prefer, as you did do all the reviews!

[github-actions]

⏳ 4 of 5 checks reported so far

Check	Result
Devtools checks	✅ passed
Code quality	✅ 0 new findings (package total: 2015)
Armadillo unit tests	✅ [ FAIL 0 | WARN 0 | SKIP 27 | PASS 12483 ]
Opal unit tests	✅ [ FAIL 0 | WARN 0 | SKIP 27 | PASS 12445 ]
Test coverage	ℹ️ no coverable lines changed (project: 69.2%)

Tested against dsBase versions:
Armadillo: 7.0.0.9000
Opal: 7.0.0.9000

Logs: Devtools checks · Code quality · Armadillo unit tests · Opal unit tests · Codecov

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.19%. Comparing base (903426d) to head (b5aabcd).

Additional details and impacted files

@@             Coverage Diff              @@
##           v7.0-dev     #721      +/-   ##
============================================
+ Coverage     68.93%   69.19%   +0.25%     
============================================
  Files           142      142              
  Lines          5788     5788              
============================================
+ Hits           3990     4005      +15     
+ Misses         1798     1783      -15     

Flag	Coverage Δ
armadillo-arg	21.02% <ø> (ø)
armadillo-misc	15.65% <ø> (ø)
armadillo-perf-1	9.29% <ø> (ø)
armadillo-perf-2	17.82% <ø> (ø)
armadillo-perf-3	16.15% <ø> (ø)
armadillo-smk-1	35.27% <ø> (+0.24%)	⬆️
armadillo-smk-2	39.85% <ø> (+0.13%)	⬆️

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