Ann: Cellmid Signs COVID-19 Rapid Diagnostic Supply Agreement, page-717

It appears that the so called 'Gold Standard' tests are not that accurate either.

Even if you test negative for COVID-19, assume you have it, experts sayConventional diagnostic tests for the novel coronavirus may give false-negative results about 30% of the time, meaning people with an active COVID-19 infection still test negative for the disease, according to news reports.
preliminary research from China suggests that the most common type of COVID-19 test, known as a reverse transcriptase polymerase chain reaction (RT-PCR) test, may give false-negative results about 30% of the time.

The Chinese research has not yet been peer-reviewed, but anecdotally, Krumholz's colleagues have expressed concern that the false-negative rate may be even higher in the U.S., he wrote.

"A lot of my patients who have symptoms, who I clinically think have COVID-19, are testing negative," Dr. Alain Chaoui, head of Congenial Healthcare, a practice with 50,000 patients across five locations in Massachusetts, told The Boston Globe.
https://www.livescience.com/covid19-coronavirus-tests-false-negatives.html

Link to preliminary research from China:

https://www.medrxiv.org/content/10.1101/2020.02.11.20021493v2.full.pdf