Filter filter=ff.and(filter1,filter2);
Capabilities filterCapabilitiesMask = new Capabilities();
filterCapabilitiesMask.addName(testFunction.getName(), testFunction.getParameters().size());
filterCapabilitiesMask.addAll(Capabilities.SIMPLE_COMPARISONS_OPENGIS);
filterCapabilitiesMask.addAll(Capabilities.LOGICAL_OPENGIS);
visitor=newVisitor(filterCapabilitiesMask);
filter.accept(visitor, null);
assertEquals(filter1, visitor.getFilterPre());