      range.value = 875;
        flush(function() {
          assert.equal(range.value, 875);
          done();
        });
      });

      test('set step with min', function(done) {
        range.min = -0.9;
        range.max = 1.1;
        range.step = 0.5;
        range.value = -0.5;
        flush(function() {
          assert.equal(range.value, -0.4);
          range.value = 0.7;
          flush(function() {
            assert.equal(range.value, 0.6);
            done();
          });
        });
     