Unit tests for multiple stores deployment

[malaskowski]

Description

Unit tests for multiple stores.

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.

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I hereby agree to the terms of the Knot.x Contributor License Agreement.

[codecov[bot]]

Codecov Report

Merging #12 into master will increase coverage by 8.04%. The diff coverage is 95.52%.

@@             Coverage Diff              @@
##             master      #12      +/-   ##
============================================
+ Coverage     65.34%   73.39%   +8.04%     
- Complexity       79      133      +54     
============================================
  Files            12       16       +4     
  Lines           453      575     +122     
  Branches         28       29       +1     
============================================
+ Hits            296      422     +126     
+ Misses          142      138       -4     
  Partials         15       15

Impacted Files	Coverage Δ	Complexity Δ
...n/java/io/knotx/launcher/KnotxStarterVerticle.java	74.75% <100%> (+8.44%)	33 <11> (+11)	:arrow_up:
.../main/java/io/knotx/launcher/ModuleDescriptor.java	87.03% <66.66%> (+6.7%)	15 <1> (ø)	:arrow_down:
...r/exception/ModulesUnsupportedSyntaxException.java	66.66% <66.66%> (ø)	2 <2> (?)
...a/io/knotx/launcher/RequiredModulesOptionTest.java	93.47% <93.47%> (ø)	15 <15> (?)
...t/java/io/knotx/launcher/TestVerticlesFactory.java	96.77% <96.77%> (ø)	16 <16> (?)
...va/io/knotx/launcher/KnotxStarterVerticleTest.java	98.18% <97.14%> (+0.62%)	15 <10> (-6)	:arrow_down:
...knotx/launcher/KnotxStarterVerticleStoresTest.java	98.52% <98.52%> (ø)	17 <17> (?)
...est/java/io/knotx/launcher/VerifiableVerticle.java	82.35% <0%> (-11.77%)	6% <0%> (-1%)
... and 4 more

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