test: add force autocomplete test case

- Adds `forceCompletion` method to `AutocompleteActions` to trigger autocomplete via command.
- Includes new test case to verify forced autocomplete functionality.
- Attempted to test these tests to the best of my ability`

Author: ShamanicArts

extensions/vscode/e2e/actions/Autocomplete.actions.ts

@@ -1,5 +1,5 @@
 import { expect } from "chai";
-import { TextEditor } from "vscode-extension-tester";
+import { TextEditor, VSBrowser, Workbench } from "vscode-extension-tester";
 
 import { DEFAULT_TIMEOUT } from "../constants";
 import { AutocompleteSelectors } from "../selectors/Autocomplete.selectors";
@@ -29,4 +29,17 @@ export class AutocompleteActions {
     );
     expect(ghostText1).to.equal(messagePair1.llmResponse);
   }
+
+    public static async forceCompletion(editor: TextEditor): Promise<string> {
+    await editor.setText("def main():\n    ");
+    await editor.moveCursor(2, 5);
+
+    await new Workbench().executeCommand("Continue: Force Autocomplete");
+
+    const ghostText = await TestUtils.waitForSuccess(() =>
+      AutocompleteSelectors.getGhostTextContent(VSBrowser.instance.driver)
+    );
+
+    return ghostText;
+  }
 }

extensions/vscode/e2e/tests/Autocomplete.test.ts

@@ -1,3 +1,4 @@
+import { expect } from "chai";
 import { EditorView, TextEditor } from "vscode-extension-tester";
 
 import { AutocompleteActions } from "../actions/Autocomplete.actions";
@@ -23,4 +24,8 @@ describe("Autocomplete", () => {
   it("Should display completions", async () => {
     await AutocompleteActions.testCompletions(editor);
   }).timeout(DEFAULT_TIMEOUT.XL);
+  it("Should force a completion using the command", async () => {
+    const ghostText = await AutocompleteActions.forceCompletion(editor);
+    expect(ghostText).to.not.be.empty;
+  }).timeout(DEFAULT_TIMEOUT.XL);
 });