feat: Support intervals arg for toPass

docs/src/release-notes-js.md

@@ -29,7 +29,7 @@ await page.getByRole('link', { name: 'Collection of blue and white' }).click();
 await expect(page.getByRole('heading', { name: 'Light and easy' })).toBeVisible();
 ```
 
-- `expect(callback).toPass()` timeout can now be configured by `expect.toPass.timeout` option [globally](./api/class-testconfig#test-config-expect) or in [project config](./api/class-testproject#test-project-expect)
+- `expect(callback).toPass()` timeout and intervals can now be configured by `expect.toPass.timeout` and `expect.toPass.intervals` options [globally](./api/class-testconfig#test-config-expect) or in [project config](./api/class-testproject#test-project-expect)
 
 - [`event: ElectronApplication.console`] event is emitted when Electron main process calls console API methods.
 ```js

packages/playwright/src/matchers/matchers.ts

@@ -369,6 +369,7 @@ export async function toPass(
 ) {
   const testInfo = currentTestInfo();
   const timeout = takeFirst(options.timeout, testInfo?._projectInternal.expect?.toPass?.timeout, 0);
+  const intervals = takeFirst(options.intervals, testInfo?._projectInternal.expect?.toPass?.intervals, [100, 250, 500, 1000]);
 
   const { deadline, timeoutMessage } = testInfo ? testInfo._deadlineForMatcher(timeout) : TestInfoImpl._defaultDeadlineForMatcher(timeout);
   const result = await pollAgainstDeadline<Error|undefined>(async () => {
@@ -380,7 +381,7 @@ export async function toPass(
     } catch (e) {
       return { continuePolling: !this.isNot, result: e };
     }
-  }, deadline, options.intervals || [100, 250, 500, 1000]);
+  }, deadline, intervals);
 
   if (result.timedOut) {
     const message = result.result ? [

packages/playwright/types/test.d.ts

@@ -702,6 +702,11 @@ interface TestConfig {
        * timeout for toPass method in milliseconds.
        */
       timeout?: number;
+
+      /**
+       * intervals for toPass method in milliseconds.
+       */
+      intervals?: number[];
     };
   };
 
@@ -8596,6 +8601,11 @@ interface TestProject {
        * timeout for toPass method in milliseconds.
        */
       timeout?: number;
+
+      /**
+       * interval for toPass method in milliseconds.
+       */
+      intervals?: number[];
     };
   };