That refers to NHS tests- the French Govt accept them provided they are checked/certified by a labThe UK Government site says you cant use the self administered test for travel to France.
COVID-19 entry requirements
From 00:00 CET 4 December (23:00 GMT 3 December), fully vaccinated travellers (aged 12 years or over) travelling from outside of the European Union to France must show proof of a negative COVID-19 test result from either a PCR or antigen test. Tests must be taken no more than 48 hours before travel for vaccinated travellers and no more than 24 hours before travel for those who are not fully vaccinated. Self-administered tests are not accepted. HGV and van drivers arriving in France from the UK are not required to provide a negative COVID-19 test to enter France. Consult the French Embassy in the UK website and the French government’s website for further information. We will update these pages as soon as further details are confirmed
Entry requirements - France travel advice
FCDO travel advice for France. Includes safety and security, insurance, entry requirements and legal differences.www.gov.uk