cy.tid(...)

cypress-tid-selector.ts

declare namespace Cypress {
    interface Chainable {
        tid: Cypress.Chainable['get'];
    }
}

function attributeSelector(key: string, value: string) {
    return `[${key}=${value}]`;
}

function tidSelector(testId: string) {
    return attributeSelector('data-test-id', testId);
}

Cypress.Commands.add('tid', (testId: string, options?: Parameters<Cypress.Chainable['tid']>[1]) => {
    return cy.get(tidSelector(testId), options);
});