♻️ (playwright.config.ts): disable fullyParallel and reduce workers to 1 for stability

♻️ (playwright.config.ts): comment out headless option for Chrome
♻️ (playwright.config.ts): comment out Firefox configuration for simplicity
✅ (chatInputOutputUser.spec.ts): update test assertions for better readability and accuracy

✅ (flowSettings.spec.ts, store.spec.ts): add steps to close modal after saving settings to ensure proper test flow and cleanup

src/frontend/playwright.config.ts

@@ -15,13 +15,13 @@ dotenv.config({ path: path.resolve(__dirname, "../../.env") });
 export default defineConfig({
   testDir: "./tests",
   /* Run tests in files in parallel */
-  fullyParallel: true,
+  fullyParallel: false,
   /* Fail the build on CI if you accidentally left test.only in the source code. */
   forbidOnly: !!process.env.CI,
   /* Retry on CI only */
   retries: process.env.CI ? 2 : 0,
   /* Opt out of parallel tests on CI. */
-  workers: 10,
+  workers: 1,
   /* Reporter to use. See https://playwright.dev/docs/test-reporters */
   timeout: 120 * 1000,
   // reporter: [
@@ -46,7 +46,7 @@ export default defineConfig({
       use: {
         ...devices["Desktop Chrome"],
         launchOptions: {
-          headless: false,
+          // headless: false,
         },
         contextOptions: {
           // chromium-specific permissions
@@ -55,19 +55,19 @@ export default defineConfig({
       },
     },
 
-    {
-      name: "firefox",
-      use: {
-        ...devices["Desktop Firefox"],
-        launchOptions: {
-          headless: false,
-          firefoxUserPrefs: {
-            "dom.events.asyncClipboard.readText": true,
-            "dom.events.testing.asyncClipboard": true,
-          },
-        },
-      },
-    },
+    // {
+    //   name: "firefox",
+    //   use: {
+    //     ...devices["Desktop Firefox"],
+    //     launchOptions: {
+    //       headless: false,
+    //       firefoxUserPrefs: {
+    //         "dom.events.asyncClipboard.readText": true,
+    //         "dom.events.testing.asyncClipboard": true,
+    //       },
+    //     },
+    //   },
+    // },
   ],
   webServer: [
     {