[Testing] Add AdminTestCase

[jordisala1991]

No description provided.

[codecov]

Codecov Report

Merging #62 into master will increase coverage by 19.46%.
The diff coverage is 92.00%.

@@              Coverage Diff              @@
##             master      #62       +/-   ##
=============================================
+ Coverage     77.12%   96.58%   +19.46%     
- Complexity      423      435       +12     
=============================================
  Files            80       81        +1     
  Lines          1316     1202      -114     
=============================================
+ Hits           1015     1161      +146     
+ Misses          301       41      -260     

Impacted Files	Coverage Δ	Complexity Δ
...ehavior-bundle/src/Admin/AbstractSortableAdmin.php	0.00% <0.00%> (ø)	2.00 <1.00> (+1.00)
...ages/seo-bundle/src/Admin/MetaInformationAdmin.php	100.00% <100.00%> (+100.00%)	5.00 <1.00> (+1.00)
...kages/testing/src/TestCase/SonataAdminTestCase.php	100.00% <100.00%> (ø)	9.00 <9.00> (?)
.../translation-bundle/src/Admin/TranslationAdmin.php	100.00% <100.00%> (+100.00%)	5.00 <1.00> (+1.00)
...ages/cookies-bundle/src/Admin/CookiesPageAdmin.php	100.00% <0.00%> (+100.00%)	2.00% <0.00%> (ø%)
...ges/basic-page-bundle/src/Admin/BasicPageAdmin.php	100.00% <0.00%> (+100.00%)	3.00% <0.00%> (ø%)
...ges/redirection-bundle/src/Admin/RedirectAdmin.php	100.00% <0.00%> (+100.00%)	3.00% <0.00%> (ø%)
... and 1 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 4cc6c62...fedbd22. Read the comment docs.