def includePatterns = includes.collect { "include '$it'" }.join('\n')
        settingsFile << 'rootProject.name = "root"'
        buildFile <<
        """apply plugin: 'java'
           sourceSets {
               main {
                   java {
                       $excludePatterns
                       $includePatterns
                   }
               }
           }

        with(new JsonSlurper().parse(file('build/testTaskProperties.json')), Map) {
            usingJUnitPlatform == true
            forkEvery == 42
            with(filters, Map) {
                includePatterns == ['*Class']
                excludePatterns == ['exclude-pattern']
                commandLineIncludePatterns == ['Test*']
                includeTags == ['included-tag']
                excludeTags == ['excluded-tag']