Is DRY coding important when testing?

const expect = require('chai').expect;

describe('checkForShip',() => {
  const checkForShip = require('../game_logic/ship_methods').checkForShip;
  const player = {
    ships: [
      {
        locations: [[0,0],[0,1]]
      }
    ]
  }
  it('should correctly report no ship at a given players coordinate', () => {
    expect(checkForShip(player, [9,9])).to.be.false;
  });
  it('should correctly report a ship located at the given coordinate', () => {
    expect(checkForShip(player, [0,0])).to.be.true;
  });
  it('should handle ships located at more than one coordinate', () => {
    expect(checkForShip(player, [0,0])).to.be.true;
    expect(checkForShip(player, [0,1])).to.be.true;
    expect(checkForShip(player, [9,9])).to.be.false;
  });
  it('should handle multiple ships', () => {
    expect(checkForShip(player, [0,0])).to.be.true;
    expect(checkForShip(player, [0,1])).to.be.true;
    expect(checkForShip(player, [9,9])).to.be.false;
  });
});