unwanted code removed

src/spec-common/injectHeadless.ts

@@ -540,12 +540,6 @@ async function runLifecycleCommand({ lifecycleHook }: ResolverParameters, contai
 			}
 
 			await Promise.all(commands);
-
-			infoOutput.event({
-				type: 'progress',
-				name: progressName,
-				status: 'succeeded',
-			});
 		} catch {
 			infoOutput.event({
 				type: 'progress',

src/test/cli.up.test.ts

@@ -25,6 +25,13 @@ describe('Dev Containers CLI', function () {
 	});
 
 	describe('Command up', () => {
+		it('should succeed (dockerfile) with supported --error for poetry', async () => {
+			const testFolder = `${__dirname}/configs/poetry-example`;
+			const res = await shellExec(`${cli} up --workspace-folder ${testFolder}`);
+			const response = JSON.parse(res.stdout);
+			assert.equal(response.outcome, 'success');
+		});
+
 		it('should execute successfully with valid config', async () => {
 			const res = await shellExec(`${cli} up --workspace-folder ${__dirname}/configs/image --include-configuration --include-merged-configuration`);
 			const response = JSON.parse(res.stdout);

src/test/configs/poetry-example/devcontainer.json

@@ -0,0 +1,18 @@
+// Example devcontainer.json configuration, 
+// wired into the vscode launch task (.vscode/launch.json)
+{
+	"image": "mcr.microsoft.com/devcontainers/base:latest",
+	"features": {
+		"ghcr.io/devcontainers/features/python:1": {
+			"version": "latest"
+		}
+	},
+	"postStartCommand": {
+		"poetry setup": [
+			"/bin/bash",
+			"-i",
+			"-c",
+			"python3 -m venv $HOME/.local && source $HOME/.local/bin/activate && poetry install"
+		]
+	}
+}