docs: remove the networkidle mentions (#22906)

Fixes https://github.com/microsoft/playwright/issues/22897

docs/src/navigations.md

@@ -23,7 +23,6 @@ events:
 - page executes some scripts and loads resources like stylesheets and images
 - [`event: Page.load`] event is fired
 - page executes dynamically loaded scripts
-- `networkidle` is fired when no new network requests are made for 500 ms
 
 ## Scenarios initiated by browser UI
 
@@ -59,36 +58,6 @@ page.goto("https://example.com")
 await page.GotoAsync("https://example.com");
 ```
 
-### Custom wait
-
-Override the default behavior to wait until a specific event, like `networkidle`.
-
-```js
-// Navigate and wait until network is idle
-await page.goto('https://example.com', { waitUntil: 'networkidle' });
-```
-
-```java
-// Navigate and wait until network is idle
-page.navigate("https://example.com", new Page.NavigateOptions()
-  .setWaitUntil(WaitUntilState.NETWORKIDLE));
-```
-
-```python async
-# Navigate and wait until network is idle
-await page.goto("https://example.com", wait_until="networkidle")
-```
-
-```python sync
-# Navigate and wait until network is idle
-page.goto("https://example.com", wait_until="networkidle")
-```
-
-```csharp
-// Navigate and wait until network is idle
-await page.GotoAsync("https://example.com", new() { WaitUntil = WaitUntilState.NetworkIdle });
-```
-
 ### Wait for element
 
 In lazy-loaded pages, it can be useful to wait until an element is visible with [`method: Locator.waitFor`].
@@ -197,35 +166,6 @@ await page.GetByText("Login").ClickAsync();
 await page.GetByLabel("User Name").FillAsync("John Doe");
 ```
 
-### Custom wait
-
-`locator.click` can be combined with [`method: Page.waitForLoadState`] to wait for a loading event.
-
-```js
-await page.getByRole('button').click(); // Click triggers navigation
-await page.waitForLoadState('networkidle'); // This resolves after 'networkidle'
-```
-
-```java
-page.locator("button").click(); // Click triggers navigation
-page.waitForLoadState(LoadState.NETWORKIDLE); // This resolves after "networkidle"
-```
-
-```python async
-await page.locator("button").click()  # Click triggers navigation
-await page.wait_for_load_state("networkidle")  # This waits for the "networkidle"
-```
-
-```python sync
-page.locator("button").click()  # Click triggers navigation
-page.wait_for_load_state("networkidle")  # This waits for the "networkidle"
-```
-
-```csharp
-await page.Locator("button").ClickAsync(); // Click triggers navigation
-await page.WaitForLoadStateAsync(LoadState.NetworkIdle); // This resolves after "networkidle"
-```
-
 ### Wait for element
 
 In lazy-loaded pages, it can be useful to wait until an element is visible with [`method: Locator.waitFor`].

tests/page/page-check.spec.ts

@@ -145,21 +145,3 @@ it('should check the box using setChecked', async ({ page }) => {
   await page.setChecked('input', false);
   expect(await page.evaluate(() => window['checkbox'].checked)).toBe(false);
 });
-
-it('do not update console count on unhandled rejections', async ({ page }) => {
-  const messages: string[] = [];
-  const consoleEventListener = m => messages.push(m.text());
-  page.addListener('console', consoleEventListener);
-
-  await page.evaluate(() => {
-    const fail = async () => Promise.reject(new Error('error'));
-    console.log('begin');
-    fail();
-    fail();
-    fail().catch(() => {
-      console.log('end');
-    });
-  });
-
-  await expect.poll(() => messages).toEqual(['begin', 'end']);
-});

tests/page/page-event-console.spec.ts

@@ -201,3 +201,21 @@ it('should use object previews for errors', async ({ page, browserName }) => {
   if (browserName === 'firefox')
     expect(text).toEqual('Error');
 });
+
+it('do not update console count on unhandled rejections', async ({ page }) => {
+  const messages: string[] = [];
+  const consoleEventListener = m => messages.push(m.text());
+  page.addListener('console', consoleEventListener);
+
+  await page.evaluate(() => {
+    const fail = async () => Promise.reject(new Error('error'));
+    console.log('begin');
+    fail();
+    fail();
+    fail().catch(() => {
+      console.log('end');
+    });
+  });
+
+  await expect.poll(() => messages).toEqual(['begin', 'end']);
+});