[PhingTask] Added override tests

[siad007]

Related to #1241

[codecov]

Codecov Report

Merging #1272 into master will increase coverage by <.01%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #1272      +/-   ##
============================================
+ Coverage     51.58%   51.58%   +<.01%     
  Complexity     9320     9320              
============================================
  Files           480      480              
  Lines         22860    22860              
============================================
+ Hits          11792    11793       +1     
+ Misses        11068    11067       -1

Impacted Files	Coverage Δ	Complexity Δ
classes/phing/tasks/system/PropertyTask.php	80.11% <0%> (+0.58%)	75% <0%> (ø)	⬇️

---

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 a021120...42fbde3. Read the comment docs.