(#225) Added a matrix.xsd reference to matrix.xml

[ilyakharlamov]

This PR (#225).

• adds a new test case xmlHasSchema that checks whether the matrix.xml has a schema reference
• implements adding of the schema reference to the matrix.xml
• minor MatrixTest refactoring ("matrix.xml" is stored as a class constant now)

[0crat]

@paulodamaso/z please, pay attention to this pull request

[0crat]

Job #290 is now in scope, role is REV

[codecov-io]

Codecov Report

Merging #290 into master will increase coverage by 0.11%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##             master     #290      +/-   ##
============================================
+ Coverage     75.13%   75.25%   +0.11%     
- Complexity      178      179       +1     
============================================
  Files            33       33              
  Lines          1074     1079       +5     
  Branches         85       85              
============================================
+ Hits            807      812       +5     
  Misses          236      236              
  Partials         31       31

Impacted Files	Coverage Δ	Complexity Δ
src/main/java/org/jpeek/Matrix.java	100% <100%> (ø)	11 <1> (+1)	⬆️

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[0crat]

@paulodamaso/z everybody who has role REV is banned at #290; I won't be able to assign anyone automatically; consider assigning someone manually (as in §19), or invite more people (as in §51), or remove the job from the scope (as in §14)

[paulodamaso]

@ilyakharlamov Your PR looks good, let's just correct its description adding a reference to the issue resolved and a description of what have you done

[ilyakharlamov]

@paulodamaso The description has been updated

[paulodamaso]

@ilyakharlamov Great, thanks!

[paulodamaso]

@rultor merge

[rultor]

@rultor merge

@paulodamaso OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor merge

@paulodamaso Done! FYI, the full log is here (took me 15min)

[0crat]

Job gh:yegor256/jpeek#290 is not assigned, can't get performer

[0crat]

The job #290 is now out of scope