The Test you are referring to is called a FEESST test and it’s not better than a Manometry. You can use a FEESST test once you understand want is going on with the swallowing to aid in the diagnosis of the dysfunction. There are exercises you do with a speech pathologist where the FESST can assist with.

There are several reasons why your swallowing motility could be affected.

Medication, Thyroid, Zenker's Diverticulosis, Achalasia,Diffuse esophageal spasm, Barrets, Non Specific motor disorders, Sinsus, Reflux or a combination of multiple reasons.

The easiest test to determine if it’s Zenker's Diverticulosis or some type of visible blockage is an Esophogram. You swallow barium and the Xray you while you are doing it). If everything looks normal then you do the Manometry.
By the way, for the person who commented on 24 ph test, if they didnt perform the manomerty first how did they know how long your esophagus is? They need that in order to place the sensors in the correct position otherwise the data from the test is useless. There is a new ph test that measure acid fumes, as well and has a LED that can determine the correct placement of the sensor but I doubt they used that one as only a few doctors have it.

Why play games with ph test when you can first understand if the LES is weak to begin with.

Here is a link to Doctor I went to when I had throat problems. This article talks about people with chronic cough but really is applicable to people in general who has Laryngeal Sensory Neuropathies.
Because there could possibly be multiple underlying causes of issues going on, some people never get relief of their issue until all aspects are treated aggressively.

I wasn’t until I went on reflux med, domperidome, and amitriptyline that my globus went away.
http://www.chronic-cough.net/2012/02...related-cough/