Solution
The EMVCo PCD Analog test suite does not provide the user with the option to change the FSDI value.
The EMVCo Contactless Terminal test specification defines the frame trail to be used when performing analog tests on EMVCo PCDs. This specification states that the RATS value sent by the PCD under test will be E0 80. Such an RATS is only possible with FSDI = 8.
However since the version 4.2.0, the test suite supports devices that sends RATS or ATTRIB command with FSDI between 0x8h and 0xCh