How to do an “or” in chai should

Asserts that the target is a member of the given array list. However, it’s often best to assert that the target is equal to its expected value.

expect(1).to.be.oneOf([1, 2, 3]);
expect(1).to.not.be.oneOf([2, 3, 4]);

https://www.chaijs.com/api/bdd/#method_oneof