pdfunit.config and the license key file can be
placed outside of the classpath. But then their location has
to be declared by Java system properties. The keys of the properties are:
Dependent on your test system (Eclipse, ANT or Maven) these parameters can be set
in many ways. Use the common information to see, how Java system properties are
set in your specific environment.
A less known option is the operating system environment variable
which works for all test systems:
If you have questions about this topic, write a mail to info[at]pdfunit.com.