TrfTestsARTPlots: Fix typo in Derivation_tf command
Fix a typo in the ART test test_trf_mc20_phys_physlite_ca.sh
of the TrfTestsARTPlots
package accidentally introduced in MR !61293 (merged).
Fix a typo in the ART test test_trf_mc20_phys_physlite_ca.sh
of the TrfTestsARTPlots
package accidentally introduced in MR !61293 (merged).