text: describe('StreamModule TEST', function() {
  
      describe('StreamModule.prototype.param', function() {
  
          describe('mastervolume', function() {
  
              afterEach(function() {
                  streamModule.param('mastervolume', 1);
              });
  
              // Getter
              // Positive
  
              it('should return 1', function() {
                  expect(streamModule.param('mastervolume')).toEqual(1);
              });
  
              // Negative
  
              it('should return the instance of StreamModule', function() {
                  expect(streamModule.param('')).toEqual(jasmine.any(StreamModule));
              });
  
              // Setter
              // Positive
  
              it('should return 0.5', function() {
                  streamModule.param('mastervolume', 0.5);
                  expect(streamModule.param('mastervolume')).toEqual(0.5);
              });
  
              it('should return 1', function() {
                  streamModule.param('mastervolume', 1);
                  expect(streamModule.param('mastervolume')).toEqual(1);
              });
  
              it('should return 0', function() {
                  streamModule.param('mastervolume', 0);
                  expect(streamModule.param('mastervolume')).toEqual(0);
              });
  
              // Negative
  
              it('should return 1', function() {
                  streamModule.param('mastervolume', 1.1);
                  expect(streamModule.param('mastervolume')).toEqual(1);
              });
  
              it('should return 1', function() {
                  streamModule.param('mastervolume', -0.1);
                  expect(streamModule.param('mastervolume')).toEqual(1);
              });
  
          });
  
      });
  
  });
  