webdriverio: TypeError: Cannot read property 'indexOf' of undefined

The problem

-TypeError: Cannot read property 'indexOf' of undefined

Not so informative error message. There’a some cases when it’s possible to reproduce:

browser.setValue(selector, undefined);

let element = browser.element(selector);

browser.selectorExecute(selector, function (element) {
    element.remove();
});

element.getText(); // Error

• WebdriverIO version: latest
• Node.js version: 7.1
• Standalone mode or wdio testrunner:
• if wdio testrunner, running synchronous or asynchronous tests: wdio testrunner
• Additional wdio packages used (if applicable): wdio-mocha-reporter