String getLastErrorFile(EmulatorTestRunner emuTestRunner) {
		Address addr =
			getMirroredDataAddress(emuTestRunner, infoStructAddr.add(lastErrorFileOffset));
		long fileNameOffset = emuRead(emuTestRunner.getEmulatorHelper(), addr, pointerSize);
		addr = addr.getNewAddress(fileNameOffset, true);
		addr = getMirroredDataAddress(emuTestRunner, addr);
		return emuReadString(emuTestRunner.getEmulatorHelper(), addr);
	}
Get 'lastErrorFile' string value from emulation memory state.  Must follow string
pointer contained within lastErrorFile field.
@param emuTestRunner emulator test runner
@return 'lastErrorLine' field value
Ghidra/Features/Base/src/main/java/ghidra/test/processors/support/PCodeTestControlBlock.java