test: improve test reliability with updated selectors and utility functions (#7943)

✨ (auto-login-off.spec.ts): update text selector to match new welcome message for improved test accuracy
♻️ (user-flow-state-cleanup.spec.ts): refactor test to use the new welcome message selector for consistency and accuracy
📝 (autoLogin.spec.ts): add import statement for awaitBootstrapTest utility function to fix test failures due to missing import

src/frontend/tests/core/features/auto-login-off.spec.ts

@@ -206,12 +206,9 @@ test(
 
     expect(
       (
-        await page.waitForSelector(
-          "text=Begin with a template, or start from scratch.",
-          {
-            timeout: 30000,
-          },
-        )
+        await page.waitForSelector("text=Welcome to LangFlow", {
+          timeout: 30000,
+        })
       ).isVisible(),
     );
 

src/frontend/tests/core/features/user-flow-state-cleanup.spec.ts

@@ -3,7 +3,7 @@ import { awaitBootstrapTest } from "../../utils/await-bootstrap-test";
 
 test(
   "flow state should be properly cleaned up between user sessions",
-  { tag: ["@bug-fix", "@api", "@database"] },
+  { tag: ["@release", "@api", "@database"] },
   async ({ page }) => {
     // Disable auto login
     await page.route("**/api/v1/auto_login", (route) => {
@@ -89,10 +89,9 @@ test(
     // Check that User A starts with an empty flows list
     expect(
       (
-        await page.waitForSelector(
-          "text=Begin with a template, or start from scratch.",
-          { timeout: 30000 },
-        )
+        await page.waitForSelector("text=Welcome to LangFlow", {
+          timeout: 30000,
+        })
       ).isVisible(),
     );