test-app/tests/unit/helpers/atanh-test.js
import { atanh } from 'ember-math-helpers/helpers/atanh';
import { module, test } from 'qunit';
module('Unit | Helper | atanh', function () {
test('atanh works', function (assert) {
const result = atanh([0]);
assert.strictEqual(result, 0);
});
});