testMethod('noCatOk4').shouldPass()
                }
            testCategory('CategoryA')
            testCategory('CategoryB').extendsCategory('CategoryA')
            testCategory('CategoryC')
            testCategory('CategoryD').extendsCategory('CategoryC')
            testCategory('CategoryZ')
        }
        testSourceGenerator.writeAllSources(testSources)

        buildFile << """

            this.extendsCategories = extendsCategories
            this.sourceSet = sourceSet
        }

        Category extendsCategory(String name) {
            extendsCategories << name
            return this
        }
    }

    /**