Add initial GraphQueryResultTest
SES-1851 : Add NativeGraphQueryResultTest
SES-1851 : Add SPARQLGraphQueryResultTest
SES-1851 added a few tests at protocol level to check correct content
type is set for various kinds of GET queries.
SES-1851 cosmetic fixes to protocol-level tests
SES-1851 cosmetic fixes to protocol-level tests
Merge branch 'ses-1851' of git@bitbucket.org:openrdf/sesame.git into ses-1851
Merge branch 'SES-1851' into 2.7.x
Merge branch 'ses-1851' into 2.7.x