output vscode-desktop url and finished tests

vscode-desktop/main.test.ts

@@ -13,4 +13,15 @@ describe("vscode-desktop", async () => {
     agent_id: "foo",
   });
 
+
+  it("default output", async () => {
+    const state = await runTerraformApply(import.meta.dir, {
+      agent_id: "foo",
+    });
+    expect(state.outputs.vscode_url.value).toBe(
+      "vscode://coder.coder-remote/open?owner=default&workspace=default&token=$SESSION_TOKEN"
+    );
+  });
+
+
 });

vscode-desktop/main.tf

@@ -44,3 +44,8 @@ resource "coder_app" "vscode" {
     "&token=$SESSION_TOKEN",
   ])
 }
+
+output "vscode_url" {
+  value = coder_app.vscode.url
+  description = "VS Code Desktop URL."
+}