diff --git a/packages/playwright/src/common/ipc.ts b/packages/playwright/src/common/ipc.ts
index 5ce1991f65..82538bb6ed 100644
--- a/packages/playwright/src/common/ipc.ts
+++ b/packages/playwright/src/common/ipc.ts
@@ -15,9 +15,11 @@
  */
 
 import util from 'util';
-import { type SerializedCompilationCache, serializeCompilationCache } from '../transform/compilationCache';
+import { serializeCompilationCache } from '../transform/compilationCache';
+import type { SerializedCompilationCache  } from '../transform/compilationCache';
 import type { ConfigLocation, FullConfigInternal } from './config';
 import type { ReporterDescription, TestInfoError, TestStatus } from '../../types/test';
+import type { MatcherResultProperty } from '../matchers/matcherHint';
 
 export type ConfigCLIOverrides = {
   debug?: boolean;
@@ -74,11 +76,15 @@ export type AttachmentPayload = {
   contentType: string;
 };
 
+export type TestInfoErrorImpl = TestInfoError & {
+  matcherResult?: MatcherResultProperty;
+};
+
 export type TestEndPayload = {
   testId: string;
   duration: number;
   status: TestStatus;
-  errors: TestInfoError[];
+  errors: TestInfoErrorImpl[];
   hasNonRetriableError: boolean;
   expectedStatus: TestStatus;
   annotations: { type: string, description?: string }[];
@@ -99,7 +105,7 @@ export type StepEndPayload = {
   testId: string;
   stepId: string;
   wallTime: number;  // milliseconds since unix epoch
-  error?: TestInfoError;
+  error?: TestInfoErrorImpl;
 };
 
 export type TestEntry = {
@@ -113,7 +119,7 @@ export type RunPayload = {
 };
 
 export type DonePayload = {
-  fatalErrors: TestInfoError[];
+  fatalErrors: TestInfoErrorImpl[];
   skipTestsDueToSetupFailure: string[];  // test ids
   fatalUnknownTestIds?: string[];
 };
@@ -124,7 +130,7 @@ export type TestOutputPayload = {
 };
 
 export type TeardownErrorsPayload = {
-  fatalErrors: TestInfoError[];
+  fatalErrors: TestInfoErrorImpl[];
 };
 
 export type EnvProducedPayload = [string, string | null][];
diff --git a/packages/playwright/src/common/process.ts b/packages/playwright/src/common/process.ts
index 14ad995fed..a372139698 100644
--- a/packages/playwright/src/common/process.ts
+++ b/packages/playwright/src/common/process.ts
@@ -14,9 +14,8 @@
  * limitations under the License.
  */
 
-import type { EnvProducedPayload, ProcessInitParams } from './ipc';
+import type { EnvProducedPayload, ProcessInitParams, TestInfoErrorImpl } from './ipc';
 import { startProfiling, stopProfiling } from 'playwright-core/lib/utils';
-import type { TestInfoError } from '../../types/test';
 import { serializeError } from '../util';
 import { registerESMLoader } from './esmLoaderHost';
 import { execArgvWithoutExperimentalLoaderOptions } from '../transform/esmUtils';
@@ -29,7 +28,7 @@ export type ProtocolRequest = {
 
 export type ProtocolResponse = {
   id?: number;
-  error?: TestInfoError;
+  error?: TestInfoErrorImpl;
   method?: string;
   params?: any;
   result?: any;
diff --git a/packages/playwright/src/matchers/matcherHint.ts b/packages/playwright/src/matchers/matcherHint.ts
index 5ffc745263..200501c1bc 100644
--- a/packages/playwright/src/matchers/matcherHint.ts
+++ b/packages/playwright/src/matchers/matcherHint.ts
@@ -45,18 +45,18 @@ export type MatcherResult<E, A> = {
   printedDiff?: string;
 };
 
-export class ExpectError extends Error {
-  matcherResult: {
-    message: string;
-    pass: boolean;
-    name?: string;
-    expected?: any;
-    actual?: any;
-    log?: string[];
-    timeout?: number;
-  };
+export type MatcherResultProperty = Omit<MatcherResult<unknown, unknown>, 'message'> & {
+  message: string;
+};
 
-  constructor(jestError: ExpectError, customMessage: string, stackFrames: StackFrame[]) {
+type JestError = Error & {
+  matcherResult: MatcherResultProperty;
+};
+
+export class ExpectError extends Error {
+  matcherResult: MatcherResultProperty;
+
+  constructor(jestError: JestError, customMessage: string, stackFrames: StackFrame[]) {
     super('');
     // Copy to erase the JestMatcherError constructor name from the console.log(error).
     this.name = jestError.name;
diff --git a/packages/playwright/src/util.ts b/packages/playwright/src/util.ts
index 460b3de07e..4046809433 100644
--- a/packages/playwright/src/util.ts
+++ b/packages/playwright/src/util.ts
@@ -21,10 +21,10 @@ import path from 'path';
 import url from 'url';
 import { debug, mime, minimatch, parseStackTraceLine } from 'playwright-core/lib/utilsBundle';
 import { formatCallLog } from 'playwright-core/lib/utils';
-import type { TestInfoError } from './../types/test';
 import type { Location } from './../types/testReporter';
 import { calculateSha1, isRegExp, isString, sanitizeForFilePath, stringifyStackFrames } from 'playwright-core/lib/utils';
 import type { RawStack } from 'playwright-core/lib/utils';
+import type { TestInfoErrorImpl } from './common/ipc';
 
 const PLAYWRIGHT_TEST_PATH = path.join(__dirname, '..');
 const PLAYWRIGHT_CORE_PATH = path.dirname(require.resolve('playwright-core/package.json'));
@@ -62,7 +62,7 @@ export function filteredStackTrace(rawStack: RawStack): StackFrame[] {
   return frames;
 }
 
-export function serializeError(error: Error | any): TestInfoError {
+export function serializeError(error: Error | any): TestInfoErrorImpl {
   if (error instanceof Error)
     return filterStackTrace(error);
   return {
diff --git a/packages/playwright/src/worker/DEPS.list b/packages/playwright/src/worker/DEPS.list
index fb352ac389..ed3973d1fc 100644
--- a/packages/playwright/src/worker/DEPS.list
+++ b/packages/playwright/src/worker/DEPS.list
@@ -3,3 +3,4 @@
 ../transform/
 ../util.ts
 ../utilBundle.ts
+../matchers/**
diff --git a/packages/playwright/src/worker/testInfo.ts b/packages/playwright/src/worker/testInfo.ts
index e41f1a9a52..ed71b1a751 100644
--- a/packages/playwright/src/worker/testInfo.ts
+++ b/packages/playwright/src/worker/testInfo.ts
@@ -17,8 +17,8 @@
 import fs from 'fs';
 import path from 'path';
 import { captureRawStack, monotonicTime, zones, sanitizeForFilePath, stringifyStackFrames } from 'playwright-core/lib/utils';
-import type { TestInfoError, TestInfo, TestStatus, FullProject } from '../../types/test';
-import type { AttachmentPayload, StepBeginPayload, StepEndPayload, WorkerInitParams } from '../common/ipc';
+import type { TestInfo, TestStatus, FullProject } from '../../types/test';
+import type { AttachmentPayload, StepBeginPayload, StepEndPayload, TestInfoErrorImpl, WorkerInitParams } from '../common/ipc';
 import type { TestCase } from '../common/test';
 import { TimeoutManager, TimeoutManagerError, kMaxDeadline } from './timeoutManager';
 import type { RunnableDescription } from './timeoutManager';
@@ -28,7 +28,7 @@ import { debugTest, filteredStackTrace, formatLocation, getContainedPath, normal
 import { TestTracing } from './testTracing';
 import type { Attachment } from './testTracing';
 import type { StackFrame } from '@protocol/channels';
-import { serializeWorkerError } from './util';
+import { testInfoError } from './util';
 
 export interface TestStepInternal {
   complete(result: { error?: Error | unknown, attachments?: Attachment[] }): void;
@@ -41,7 +41,7 @@ export interface TestStepInternal {
   endWallTime?: number;
   apiName?: string;
   params?: Record<string, any>;
-  error?: TestInfoError;
+  error?: TestInfoErrorImpl;
   infectParentStepsWithError?: boolean;
   box?: boolean;
   isStage?: boolean;
@@ -97,14 +97,14 @@ export class TestInfoImpl implements TestInfo {
   snapshotSuffix: string = '';
   readonly outputDir: string;
   readonly snapshotDir: string;
-  errors: TestInfoError[] = [];
+  errors: TestInfoErrorImpl[] = [];
   readonly _attachmentsPush: (...items: TestInfo['attachments']) => number;
 
-  get error(): TestInfoError | undefined {
+  get error(): TestInfoErrorImpl | undefined {
     return this.errors[0];
   }
 
-  set error(e: TestInfoError | undefined) {
+  set error(e: TestInfoErrorImpl | undefined) {
     if (e === undefined)
       throw new Error('Cannot assign testInfo.error undefined value!');
     this.errors[0] = e;
@@ -273,7 +273,7 @@ export class TestInfoImpl implements TestInfo {
         if (result.error) {
           if (typeof result.error === 'object' && !(result.error as any)?.[stepSymbol])
             (result.error as any)[stepSymbol] = step;
-          const error = serializeWorkerError(result.error);
+          const error = testInfoError(result.error);
           if (data.boxedStack)
             error.stack = `${error.message}\n${stringifyStackFrames(data.boxedStack).join('\n')}`;
           step.error = error;
@@ -331,7 +331,7 @@ export class TestInfoImpl implements TestInfo {
   _failWithError(error: Error | unknown) {
     if (this.status === 'passed' || this.status === 'skipped')
       this.status = error instanceof TimeoutManagerError ? 'timedOut' : 'failed';
-    const serialized = serializeWorkerError(error);
+    const serialized = testInfoError(error);
     const step: TestStepInternal | undefined = typeof error === 'object' ? (error as any)?.[stepSymbol] : undefined;
     if (step && step.boxedStack)
       serialized.stack = `${(error as Error).name}: ${(error as Error).message}\n${stringifyStackFrames(step.boxedStack).join('\n')}`;
diff --git a/packages/playwright/src/worker/testTracing.ts b/packages/playwright/src/worker/testTracing.ts
index fed7fdde7e..5e7a3d80db 100644
--- a/packages/playwright/src/worker/testTracing.ts
+++ b/packages/playwright/src/worker/testTracing.ts
@@ -21,10 +21,10 @@ import fs from 'fs';
 import path from 'path';
 import { ManualPromise, calculateSha1, monotonicTime, createGuid, SerializedFS } from 'playwright-core/lib/utils';
 import { yauzl, yazl } from 'playwright-core/lib/zipBundle';
-import type { TestInfo, TestInfoError } from '../../types/test';
 import { filteredStackTrace } from '../util';
-import type { TraceMode, PlaywrightWorkerOptions } from '../../types/test';
+import type { TestInfo, TraceMode, PlaywrightWorkerOptions } from '../../types/test';
 import type { TestInfoImpl } from './testInfo';
+import type { TestInfoErrorImpl } from '../common/ipc';
 
 export type Attachment = TestInfo['attachments'][0];
 export const testTraceEntryName = 'test.trace';
@@ -219,7 +219,7 @@ export class TestTracing {
     this._testInfo.attachments.push({ name: 'trace', path: tracePath, contentType: 'application/zip' });
   }
 
-  appendForError(error: TestInfoError) {
+  appendForError(error: TestInfoErrorImpl) {
     const rawStack = error.stack?.split('\n') || [];
     const stack = rawStack ? filteredStackTrace(rawStack) : [];
     this._appendTraceEvent({
diff --git a/packages/playwright/src/worker/util.ts b/packages/playwright/src/worker/util.ts
index d24d337191..a271f62c48 100644
--- a/packages/playwright/src/worker/util.ts
+++ b/packages/playwright/src/worker/util.ts
@@ -14,32 +14,13 @@
  * limitations under the License.
  */
 
-import type { TestError } from '../../types/testReporter';
-import type { TestInfoError } from '../../types/test';
-import type { MatcherResult } from '../matchers/matcherHint';
+import type { TestInfoErrorImpl } from '../common/ipc';
+import { ExpectError } from '../matchers/matcherHint';
 import { serializeError } from '../util';
 
-
-type MatcherResultDetails = Pick<TestError, 'timeout'|'matcherName'|'locator'|'expected'|'received'|'log'>;
-
-export function serializeWorkerError(error: Error | any): TestInfoError & MatcherResultDetails {
-  return {
-    ...serializeError(error),
-    ...serializeExpectDetails(error),
-  };
+export function testInfoError(error: Error | any): TestInfoErrorImpl {
+  const result = serializeError(error);
+  if (error instanceof ExpectError)
+    result.matcherResult = error.matcherResult;
+  return result;
 }
-
-function serializeExpectDetails(e: Error): MatcherResultDetails {
-  const matcherResult = (e as any).matcherResult as MatcherResult<unknown, unknown>;
-  if (!matcherResult)
-    return {};
-  return {
-    timeout: matcherResult.timeout,
-    matcherName: matcherResult.name,
-    locator: matcherResult.locator,
-    expected: matcherResult.printedExpected,
-    received: matcherResult.printedReceived,
-    log: matcherResult.log,
-  };
-}
-
diff --git a/packages/playwright/src/worker/workerMain.ts b/packages/playwright/src/worker/workerMain.ts
index 5680c3ddb3..ed323a701b 100644
--- a/packages/playwright/src/worker/workerMain.ts
+++ b/packages/playwright/src/worker/workerMain.ts
@@ -16,7 +16,8 @@
 
 import { colors } from 'playwright-core/lib/utilsBundle';
 import { debugTest, relativeFilePath } from '../util';
-import { type TestBeginPayload, type TestEndPayload, type RunPayload, type DonePayload, type WorkerInitParams, type TeardownErrorsPayload, stdioChunkToParams } from '../common/ipc';
+import type { TestBeginPayload, TestEndPayload, RunPayload, DonePayload, WorkerInitParams, TeardownErrorsPayload, TestInfoErrorImpl } from '../common/ipc';
+import { stdioChunkToParams } from '../common/ipc';
 import { setCurrentTestInfo, setIsWorkerProcess } from '../common/globals';
 import { deserializeConfig } from '../common/configLoader';
 import type { Suite, TestCase } from '../common/test';
@@ -28,11 +29,10 @@ import { ProcessRunner } from '../common/process';
 import { loadTestFile } from '../common/testLoader';
 import { applyRepeatEachIndex, bindFileSuiteToProject, filterTestsRemoveEmptySuites } from '../common/suiteUtils';
 import { PoolBuilder } from '../common/poolBuilder';
-import type { TestInfoError } from '../../types/test';
 import type { Location } from '../../types/testReporter';
 import { inheritFixtureNames } from '../common/fixtures';
 import { type TimeSlot } from './timeoutManager';
-import { serializeWorkerError } from './util';
+import { testInfoError } from './util';
 
 export class WorkerMain extends ProcessRunner {
   private _params: WorkerInitParams;
@@ -42,7 +42,7 @@ export class WorkerMain extends ProcessRunner {
   private _fixtureRunner: FixtureRunner;
 
   // Accumulated fatal errors that cannot be attributed to a test.
-  private _fatalErrors: TestInfoError[] = [];
+  private _fatalErrors: TestInfoErrorImpl[] = [];
   // Whether we should skip running remaining tests in this suite because
   // of a setup error, usually beforeAll hook.
   private _skipRemainingTestsInSuite: Suite | undefined;
@@ -113,7 +113,7 @@ export class WorkerMain extends ProcessRunner {
       await fakeTestInfo._runAsStage({ title: 'worker cleanup', runnable }, () => gracefullyCloseAll()).catch(() => {});
       this._fatalErrors.push(...fakeTestInfo.errors);
     } catch (e) {
-      this._fatalErrors.push(serializeWorkerError(e));
+      this._fatalErrors.push(testInfoError(e));
     }
 
     if (this._fatalErrors.length) {
@@ -123,7 +123,7 @@ export class WorkerMain extends ProcessRunner {
     }
   }
 
-  private _appendProcessTeardownDiagnostics(error: TestInfoError) {
+  private _appendProcessTeardownDiagnostics(error: TestInfoErrorImpl) {
     if (!this._lastRunningTests.length)
       return;
     const count = this._totalRunningTests === 1 ? '1 test' : `${this._totalRunningTests} tests`;
@@ -154,7 +154,7 @@ export class WorkerMain extends ProcessRunner {
     // No current test - fatal error.
     if (!this._currentTest) {
       if (!this._fatalErrors.length)
-        this._fatalErrors.push(serializeWorkerError(error));
+        this._fatalErrors.push(testInfoError(error));
       void this._stop();
       return;
     }
@@ -225,7 +225,7 @@ export class WorkerMain extends ProcessRunner {
       // In theory, we should run above code without any errors.
       // However, in the case we screwed up, or loadTestFile failed in the worker
       // but not in the runner, let's do a fatal error.
-      this._fatalErrors.push(serializeWorkerError(e));
+      this._fatalErrors.push(testInfoError(e));
       void this._stop();
     } finally {
       const donePayload: DonePayload = {