return this;
    }

    public Set<DefaultIdeaSourceDirectory> getTestResourceDirectories() {
        return testResourceDirectories;
    }

    public DefaultIdeaContentRoot setTestResourceDirectories(Set<DefaultIdeaSourceDirectory> testResourceDirectories) {
        this.testResourceDirectories = testResourceDirectories;
        return this;
    }


    public Set<File> getExcludeDirectories() {

        root.testDirectories.size() == 1
        root.testDirectories.first().directory == file('src/test/java')
        root.testResourceDirectories.size() == 1
        root.testResourceDirectories.first().directory == file('src/test/resources')
    }

    def "custom source sets are not added as source directories by default"() {

        buildFile.text = '''
apply plugin: 'java'