Adjust unit tests setUp

[phil-davis]

Similar to owncloud/configreport#121

Note: phpunit.xml is already good in this app. And there are no acceptance tests to adjust.

[coveralls]

Coverage remained the same at 53.41% when pulling ab5dc4b on adjust-tests-20191208 into 522404e on master.

[coveralls]

Coverage remained the same at 53.41% when pulling ab5dc4b on adjust-tests-20191208 into 522404e on master.

[coveralls]

Coverage remained the same at 53.41% when pulling ab5dc4b on adjust-tests-20191208 into 522404e on master.

[coveralls]

Coverage remained the same at 53.41% when pulling 9c337ab on adjust-tests-20191208 into 522404e on master.

[coveralls]

Coverage remained the same at 53.41% when pulling ab5dc4b on adjust-tests-20191208 into 522404e on master.

[codecov]

Codecov Report

Merging #1047 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1047   +/-   ##
=======================================
  Coverage   56.94%   56.94%           
=======================================
  Files          66       66           
  Lines        3384     3384           
=======================================
  Hits         1927     1927           
  Misses       1457     1457

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