Initial util tests

[peter279k]

Introduction

• It's related to issue Tests #30.
• Initialize the Composer, Git and Metadata tests.

[codecov-io]

Codecov Report

Merging #54 into master will increase coverage by 17.21%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##             master      #54       +/-   ##
=============================================
+ Coverage     25.46%   42.67%   +17.21%     
  Complexity      250      250               
=============================================
  Files            15       15               
  Lines           703      703               
=============================================
+ Hits            179      300      +121     
+ Misses          524      403      -121

Impacted Files	Coverage Δ	Complexity Δ
src/Util/Path.php	93.75% <0%> (+1.25%)	41% <0%> (ø)	⬇️
src/Util/Inflector.php	100% <0%> (+42.85%)	3% <0%> (ø)	⬇️
src/Util/Executable.php	72% <0%> (+72%)	12% <0%> (ø)	⬇️
src/Util/Metadata.php	92.18% <0%> (+92.18%)	17% <0%> (ø)	⬇️
src/Util/Composer.php	95.23% <0%> (+95.23%)	9% <0%> (ø)	⬇️
src/Util/Git.php	100% <0%> (+100%)	8% <0%> (ø)	⬇️

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[adhocore]

much thanks. metadata test was great 😎