docs: default timeout in library is 30 seconds

Fixes https://github.com/microsoft/playwright/issues/31306

docs/src/api/class-browsercontext.md

@@ -1648,7 +1648,7 @@ Event name, same one would pass into `browserContext.on(event)`.
 * langs: js
 - `optionsOrPredicate` ?<[function]|[Object]>
   - `predicate` <[function]> Receives the event data and resolves to truthy value when the waiting should resolve.
-  - `timeout` ?<[float]> Maximum time to wait for in milliseconds. Defaults to `0` - no timeout. The default value can be changed via `actionTimeout` option in the config, or by using the [`method: BrowserContext.setDefaultTimeout`] method.
+  - `timeout` ?<[float]> Maximum time to wait for in milliseconds. Defaults to `30000` - 30 seconds (`0` - no timeout in Playwright Test). The default value can be changed via `actionTimeout` option in the config, or by using the [`method: BrowserContext.setDefaultTimeout`] method.
 
 Either a predicate that receives an event or an options object. Optional.
 

docs/src/api/class-page.md

@@ -4335,7 +4335,7 @@ frame = event_info.value
 * langs: js
 - `optionsOrPredicate` ?<[function]|[Object]>
   - `predicate` <[function]> Receives the event data and resolves to truthy value when the waiting should resolve.
-  - `timeout` ?<[float]> Maximum time to wait for in milliseconds. Defaults to `0` - no timeout. The default value can be changed via `actionTimeout` option in the config, or by using the [`method: BrowserContext.setDefaultTimeout`] or [`method: Page.setDefaultTimeout`] methods.
+  - `timeout` ?<[float]> Maximum time to wait for in milliseconds. Defaults to `30000` - 30 seconds (`0` - no timeout in Playwright Test). The default value can be changed via `actionTimeout` option in the config, or by using the [`method: BrowserContext.setDefaultTimeout`] or [`method: Page.setDefaultTimeout`] methods.
 
 Either a predicate that receives an event or an options object. Optional.
 

docs/src/api/class-websocket.md

@@ -86,7 +86,7 @@ Event name, same one would pass into `webSocket.on(event)`.
 * langs: js
 - `optionsOrPredicate` ?<[function]|[Object]>
   - `predicate` <[function]> Receives the event data and resolves to truthy value when the waiting should resolve.
-  - `timeout` ?<[float]> Maximum time to wait for in milliseconds. Defaults to `0` - no timeout. The default value can be changed via `actionTimeout` option in the config, or by using the [`method: BrowserContext.setDefaultTimeout`] or [`method: Page.setDefaultTimeout`] methods.
+  - `timeout` ?<[float]> Maximum time to wait for in milliseconds. Defaults to `30000` - 30 seconds (`0` - no timeout in Playwright Test). The default value can be changed via `actionTimeout` option in the config, or by using the [`method: BrowserContext.setDefaultTimeout`] or [`method: Page.setDefaultTimeout`] methods.
 
 Either a predicate that receives an event or an options object. Optional.
 

docs/src/api/params.md

@@ -22,7 +22,7 @@ The default value can be changed by using the
 * langs: js
 - `timeout` <[float]>
 
-Maximum operation time in milliseconds. Defaults to `0` - no timeout. The default value can be changed via `navigationTimeout` option in the config, or by using the [`method: BrowserContext.setDefaultNavigationTimeout`],
+Maximum operation time in milliseconds. Defaults to `30000` - 30 seconds (`0` - no timeout in Playwright Test). The default value can be changed via `navigationTimeout` option in the config, or by using the [`method: BrowserContext.setDefaultNavigationTimeout`],
 [`method: BrowserContext.setDefaultTimeout`],
 [`method: Page.setDefaultNavigationTimeout`] or
 [`method: Page.setDefaultTimeout`] methods.
@@ -38,7 +38,7 @@ value can be changed by using the [`method: BrowserContext.setDefaultTimeout`] o
 * langs: js
 - `timeout` <[float]>
 
-Maximum time to wait for in milliseconds. Defaults to `0` - no timeout. The default value can be changed via `actionTimeout` option in the config, or by using the [`method: BrowserContext.setDefaultTimeout`] or [`method: Page.setDefaultTimeout`] methods.
+Maximum time to wait for in milliseconds. Defaults to `30000` - 30 seconds (`0` - no timeout in Playwright Test). The default value can be changed via `actionTimeout` option in the config, or by using the [`method: BrowserContext.setDefaultTimeout`] or [`method: Page.setDefaultTimeout`] methods.
 
 ## input-strict
 - `strict` <[boolean]>
@@ -58,7 +58,7 @@ using the [`method: BrowserContext.setDefaultTimeout`] or
 * langs: js
 - `timeout` <[float]>
 
-Maximum time in milliseconds. Defaults to `0` - no timeout. The default value can be changed via `actionTimeout` option in the config, or by using the [`method: BrowserContext.setDefaultTimeout`] or
+Maximum time in milliseconds. Defaults to `30000` - 30 seconds (`0` - no timeout in Playwright Test). The default value can be changed via `actionTimeout` option in the config, or by using the [`method: BrowserContext.setDefaultTimeout`] or
 [`method: Page.setDefaultTimeout`] methods.
 
 ## input-no-wait-after

packages/playwright-core/src/client/page.ts

@@ -446,6 +446,7 @@ export class Page extends ChannelOwner<channels.PageChannel> implements api.Page
   private async _waitForEvent(event: string, optionsOrPredicate: WaitForEventOptions, logLine?: string): Promise<any> {
     return await this._wrapApiCall(async () => {
       const timeout = this._timeoutSettings.timeout(typeof optionsOrPredicate === 'function' ? {} : optionsOrPredicate);
+      console.log('timeout', timeout, '\n\n\n\n');
       const predicate = typeof optionsOrPredicate === 'function' ? optionsOrPredicate : optionsOrPredicate.predicate;
       const waiter = Waiter.createForEvent(this, event);
       if (logLine)

packages/playwright-core/src/common/timeoutSettings.ts

@@ -31,6 +31,7 @@ export class TimeoutSettings {
 
   setDefaultTimeout(timeout: number | undefined) {
     this._defaultTimeout = timeout;
+    console.log('timeoutSettings.ts: setDefaultTimeout: this._defaultTimeout: ', this._defaultTimeout, new Error().stack);
   }
 
   setDefaultNavigationTimeout(timeout: number | undefined) {