Fix pushing the project resource to the end of classpath during tests execution

[karollewandowski]

Pull Request Details

The change reverts the accidental pushing of project resources to the end of the classpath in the test task context. See IntelliJPlugin.kt:1153 in this commit:

• https://github.com/JetBrains/gradle-intellij-plugin/commit/47bbfbaa361714cfe19432350954fbac9389a210#diff-d7d397447dff9b82440110ee94dca3dda67b3f9449af7004a72a5f6ea99646beR1153

Description

Besides fixing the issue, it includes an integration test covering the reported case. Details in the README.md that is placed in the test directory.

Related Issue

• #1101

How Has This Been Tested

Integration test included in the PR.

Types of changes

• [ ] Docs change / refactoring / dependency upgrade
• [x] 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 change)

Checklist

• [x] I have read the CONTRIBUTING document.
• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] I have included my change in the CHANGELOG.
• [x] I have added tests to cover my changes.
• [x] All new and existing tests passed.