There is no evidence that a massive malfunction happened during the coronavirus testing and there are no cases recorded for testing protocol fraud.
According to the instruction catalogue issued for Real-Time RT-PCR diagnostic panel available on U.S. Food and Drug Administration's website, false-positive test results are more likely when the prevalence of the disease is moderate to low(Refer Page No:34).
The GreatGameIndia article outlines that the false positives cases recorded in China and India were higher than 80%, and 99% in Italy as per the coronavirus testing data, but did not cite any sources to prove that such data exists or methods they have followed in their analysis to fetch the data.
Moreover, there is a possibility of false-positive cases if in the early stage symptoms of influenza was very high and because of technical issues inherent in the test (Virus Mutation).
The COVID-19 pandemic has given rise to a lot of potentially dangerous misinformation. For reliable advice on COVID-19 including symptoms, prevention and available treatment, please refer to the World Health Organisation or your national healthcare authority.