add basic workspace trust unit test

src/vs/workbench/services/workspaces/test/browser/workspaces.test.ts

@@ -5,7 +5,11 @@
 
 import * as assert from 'assert';
 import { URI } from 'vs/base/common/uri';
+import { TestInstantiationService } from 'vs/platform/instantiation/test/common/instantiationServiceMock';
+import { IWorkspaceTrustService, workspaceTrustStateToString } from 'vs/platform/workspace/common/workspaceTrust';
 import { getWorkspaceIdentifier, getSingleFolderWorkspaceIdentifier } from 'vs/workbench/services/workspaces/browser/workspaces';
+import { WorkspaceTrustService } from 'vs/workbench/services/workspaces/common/workspaceTrust';
+import { workbenchInstantiationService } from 'vs/workbench/test/browser/workbenchTestServices';
 
 suite('Workspaces', () => {
 	test('workspace identifiers are stable', function () {
@@ -17,3 +21,19 @@ suite('Workspaces', () => {
 		assert.strictEqual(getSingleFolderWorkspaceIdentifier(URI.parse('vscode-remote:/hello/test'))?.id, '474434e4');
 	});
 });
+
+suite('Workspace Trust', () => {
+	let workspaceTrustService: IWorkspaceTrustService;
+	setup(() => {
+		const instantiationService: TestInstantiationService = <TestInstantiationService>workbenchInstantiationService();
+		workspaceTrustService = instantiationService.createInstance(WorkspaceTrustService);
+	});
+
+	teardown(() => {
+
+	});
+
+	test('Sample Test', function () {
+		assert.strictEqual(workspaceTrustStateToString(workspaceTrustService.getWorkspaceTrustState()), 'Trusted');
+	});
+});