[PatternSet] Added missing test.

[siad007]

No description provided.

[codecov]

Codecov Report

Merging #1350 into master will increase coverage by 0.04%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #1350      +/-   ##
============================================
+ Coverage     52.37%   52.42%   +0.04%     
  Complexity     9306     9306              
============================================
  Files           476      476              
  Lines         22705    22705              
============================================
+ Hits          11892    11903      +11     
+ Misses        10813    10802      -11     

Impacted Files	Coverage Δ	Complexity Δ
classes/phing/types/PatternSet.php	57.34% <0.00%> (+7.69%)	67.00% <0.00%> (ø%)

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