Fix: Remove useless tests related to setting entity namespace

[localheinz]

This PR

• removes useless tests related to setting entity namespaces

Follows #3.

[codecov]

Codecov Report

Merging #64 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master      #64   +/-   ##
=========================================
  Coverage     93.56%   93.56%           
  Complexity       80       80           
=========================================
  Files             8        8           
  Lines           202      202           
=========================================
  Hits            189      189           
  Misses           13       13

---

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 2850a1a...397eb80. Read the comment docs.