AIDA-83 Do not print stack trace for failed assumptions.
AIDA-83 test patient not in defined.
AIDA-83 ExpectedResults.definedPatients returns Iterable instead of collection

- The iterable will allow RdfResults to be streamed from the sesame repository.
AIDA-83 Retrieve list of patients with expected results.
AIDA-83 Fix bind patis to patient binding.
AIDA-83 Add query for expected status.
AIDA-83 distinguish expectsResults-predicate and results-predicate.
AIDA-83 prepareQuery overload for BooleanQuery not required.
AIDA-83 isAsExpectedStatus

- Happy path is tested.