Add tests for tables and listpages for policies and audits

[sarahd93]

Checklist:

• Tests
• CHANGELOG Entry

[codecov]

Codecov Report

Merging #1614 into master will increase coverage by 1.51%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #1614      +/-   ##
==========================================
+ Coverage    40.4%   41.91%   +1.51%     
==========================================
  Files        1044     1044              
  Lines       23928    23928              
  Branches     6610     6634      +24     
==========================================
+ Hits         9668    10030     +362     
+ Misses      12964    12652     -312     
+ Partials     1296     1246      -50

Impacted Files	Coverage Δ
gsa/src/web/entities/withEntitiesContainer.js	95% <ø> (+60%)	⬆️
gsa/src/web/pages/audits/listpage.js	92.3% <100%> (+53.84%)	⬆️
gsa/src/web/pages/policies/listpage.js	100% <100%> (+63.63%)	⬆️
gsa/src/web/utils/render.js	20.61% <0%> (+0.61%)	⬆️
gsa/src/web/pages/audits/details.js	61.19% <0%> (+1.49%)	⬆️
gsa/src/web/pages/audits/row.js	81.25% <0%> (+3.12%)	⬆️
gsa/src/web/components/icon/exporticon.js	81.81% <0%> (+9.09%)	⬆️
gsa/src/web/components/icon/trashicon.js	80% <0%> (+10%)	⬆️
gsa/src/web/entities/header.js	60.71% <0%> (+14.28%)	⬆️
gsa/src/gmp/collection/collectioncounts.js	52.17% <0%> (+17.39%)	⬆️
... and 15 more

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[swaterkamp]

Please have a look at my comments and also test the missing close/cancel button in the dialog. Other than that it looks good to me. Thanks for putting in the effort for this PR and all the other testing PRs!

[swaterkamp]

Thanks a lot!