pd.put ("testValue", "modifiedValue");
process.setProcessContext (pd);
ProcessData procData = process.processContext ();
assertTrue (procData.get("testValue").equals ("modifiedValue"));
boolean caught = false;
pd.clear ();
pd.put ("Test key", "42");
try {
process.setProcessContext (pd);
} catch (InvalidDataException inv) {
caught = true;