Add instrumentation tests coverage workaround

[ekigamba]

• Enable testCoverage only for instrumentation tests and disable the flag after
• Add the path for the new instrumentation test coverage ec file. The path for this ec file is still different from the one that is generated with the coverage enabled and therefore not stable

Relates to #358

Experimental: This is a possible workaround that is going to be flaky and will need to be removed once the issue is officially resolved

[coveralls]

Pull Request Test Coverage Report for Build #587

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+9.4%) to 53.545%

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Totals
Change from base Build #585:	9.4%
Covered Lines:	3164
Relevant Lines:	5909

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💛 - Coveralls

[ekigamba]

Coveralls cannot link to the correct source code on the repository

This is the issue but this seems to be resolved

[ekigamba]

Coveralls seems to have an issue related to Java 11 https://github.com/gradle/gradle/issues/9764 https://github.com/gradle/gradle/issues/8286 that generates the wrong source path