Switch to IFrame: TypeError: Cannot call a class as a function

[AlexSkorkin]

A strange error appears during switching to an iframe if this iframe is invisible.

URL: https://demos.devexpress.com/ASPxSpreadsheetDemos/Features/DocumentManagement.aspx

Test:

import { Selector } from 'testcafe';

fixture `https://demos.devexpress.com/ASPxSpreadsheetDemos/Features/DocumentManagement.aspx`
    .page `https://demos.devexpress.com/ASPxSpreadsheetDemos/Features/DocumentManagement.aspx`;

test('New Test', async t => {
    await t
        .switchToIframe(Selector('#ContentHolder_Spreadsheet_IT'));
});

[helen-dikareva]

This problem can be reproduced with only testcafe open source

[helen-dikareva]

Simple fix: here should be

  return getExecuteSelectorResult(selector, commandSelectorTimeout, null,
            fn => new iframeErrorCtors.NotFoundError(fn), () => new iframeErrorCtors.IsInvisibleError(), this.statusBar)

But of course a test is required.

[lock]

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