New chat e2e (#314)

e2e-tests/new_chat.spec.ts

@@ -0,0 +1,21 @@
+import { test } from "./helpers/test_helper";
+
+const newChatTestCases = [
+  { name: "first button", clickOptions: undefined },
+  { name: "second button", clickOptions: { index: 1 } },
+];
+
+newChatTestCases.forEach(({ name, clickOptions }) => {
+  test(`new chat (${name})`, async ({ po }) => {
+    await po.setUp();
+    await po.sendPrompt("tc=chat1");
+    await po.snapshotMessages();
+    await po.clickNewChat(clickOptions);
+
+    // Make sure it's empty
+    await po.snapshotMessages();
+
+    await po.sendPrompt("tc=chat2");
+    await po.snapshotMessages();
+  });
+});