display = ParameterDisplay.PROMPT,
            allowEmpty = false,
            description = "The name of the test to run, as should be passed to --tests. Can't contain spaces since there are problems with Teamcity's escaping, you can use * instead."
        )
        text(
            testJvmVersionParameter,
            JvmVersion.java11.major.toString(),

automatically hides stacktrace elements from the `org.gradle` package, which makes running/debugging tests more difficult. You can disable this behavior by changing IntelliJ Preferences under Editor -> General -> Console. In the "Fold lines that contain" section, remove the `org.gradle` entry.

If you did not have a Java 11 SDK installed before importing the project into IntelliJ and after adding a Java 11 SDK your IntelliJ still uses the wrong SDK version, you might need to invalidate IntelliJ's...

/**
 * Test Fixtures Plugin.
 *
 * Configures the Project as a test fixtures producer if `src/testFixtures` is a directory:
 * - adds a new `testFixtures` source set which should contain utilities/fixtures to assist in unit testing
 *   classes from the main source set,
 * - the test fixtures are automatically made available to the test classpath.
 *

        function startingReplacer () {
            // If has a slash `/` at the beginning or middle
            return !/\/(?!$)/.test(this)
                // > Prior to 2.22.1
                // > If the pattern does not contain a slash /,
                // >   Git treats it as a shell glob pattern
                // Actually, if there is only a trailing slash,
                //   git also treats it as a shell glob pattern