Cypress.Commands.add('hasMiddleMarkers', (count) => {
  cy.get('.marker-icon-middle').should(($p) => {
    expect($p).to.have.length(count);
  });
});

Cypress.Commands.add('hasVertexMarkers', (count) => {
  cy.get('.marker-icon:not(.marker-icon-middle)').should(($p) => {
    expect($p).to.have.length(count);
  });
});