perf: avoid building docker image (#365)

* avoid building a custom image

* fix: remove unnecessary double-dash

* Rebuild with -- fix

* linting

* Remove unused variable

* support windows as well

* Fix -- command not found

* Fix unused import, remove docker build test

* no dockerfile anymore

Co-authored-by: Webber Takken <webber.nl@gmail.com>

src/model/docker.test.ts

@@ -1,21 +1,7 @@
 import Action from './action';
 import Docker from './docker';
-import ImageTag from './image-tag';
 
 describe('Docker', () => {
-  it.skip('builds', async () => {
-    const path = Action.actionFolder;
-    const dockerfile = `${path}/Dockerfile`;
-    const baseImage = new ImageTag({
-      repository: '',
-      name: 'alpine',
-      version: '3',
-      platform: 'Test',
-    });
-    const tag = await Docker.build({ path, dockerfile, baseImage }, true);
-    expect(tag).toBeInstanceOf(ImageTag);
-    expect(tag.toString()).toStrictEqual('unity-builder:3');
-  }, 240000);
   it.skip('runs', async () => {
     const image = 'unity-builder:2019.2.11f1-webgl';
     const parameters = {