Exposed getSchemaFiles & getFixtures methods in IbexaTestKernel

[Steveb-p]

Question	Answer
JIRA issue	N/A
Type	improvement
Target Ibexa version	v3.3
BC breaks	no

This PR is extracted from #242.

It exposes getSchemaFiles and getFixtures as methods in IbexaTestKernel, so that bootstrapping scripts can make use of these.

Previously the only location these were available were IbexaKernelTestCase, which meant that they were only accessible during test execution itself.

Checklist:

• Provided PR description.
• Tested the solution manually.
• Provided automated test coverage.
• Checked that target branch is set correctly (master for features, the oldest supported for bugs).
• Ran PHP CS Fixer for new PHP code (use $ composer fix-cs).
• Asked for a review (ping @ezsystems/engineering-team).

[alongosz]

@Steveb-p CI is failing here

[Steveb-p]

@Steveb-p CI is failing here

Fixed. Apparently it's a new "feature" in php-cs-fixer 3.6.0.

minor PHP-CS-Fixer/PHP-CS-Fixer#6199 HeaderCommentFixer - support monolithic files with shebang (kubawerlos, keradus)

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
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No Coverage information
0.0% Duplication

[Steveb-p]

Merged into main in 6d60013a.