I\'ve tried this:
browser.actions().keyDown(protractor.Key.ENTER).keyUp(protractor.Key.Enter).perform();
which gives the error:
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In my case enter click did not performe without sleep() between typed text and Enter click.
sleep()
const someInput = $('#someInput'); someInput.sendKeys('test text'); browser.sleep(1000); someInput.sendKeys(protractor.Key.ENTER);