(Reuters) -Eurofins Scientific expects revenue this year to be bolstered by some 300 million euros ($339.18 million) from its coronavirus diagnostics business, the French laboratory testing group said on Tuesday after record sales helped it beat its financial targets for last year. Eurofins said that its COVID testing and reagents brought in 1.43 billion euros in 2021, after it had reported more than 800 million euros the previous year. The group had previously not counted on any revenue from COVID-19 testing this year and does not forecast any in its 2023 and 2024 estimates. Diagnostics compa…