Function getMessageEventFrom

packages/core/test/client.test.ts:353–354

(func: jest.Mock)

    });

    const getMessageEventFrom = (func: jest.Mock) =>
      func.mock.calls[0][firstArg][envelopeItems][0][envelopeItemPayload];

    test('captureMessage contains stack trace in exception', async () => {
      client = new ReactNativeClient({