fix(app): directive with no option, and inheritance between component…

… and directives

src-refactored/core/use-cases/scan-files.spec.ts

@@ -6,6 +6,6 @@ describe('Use-cases - Should scan folders', () => {
     it('should find files', async () => {
         const testFolderpath = 'test/fixtures/todomvc-ng2';
         const files = await ScanFiles.scan(testFolderpath);
-        expect(files.length).equal(67);
+        expect(files.length).equal(69);
     });
 });