Make tests run under nunit3-vs-adapter and nunit-gui (for Issue #98). Also seems to fix running under NCrunch 2.27.03
Make tests run under nunit3-vs-adapter and nunit-gui (for Issue #98). Also seems to fix running under NCrunch 2.27.03

The parent suite for the method wasn't being preserved in FsCheckTestMethod, and invoking the run command created a new (unexpected) test method instead of running the previously created one.
(Originally raised as https://github.com/nunit/nunit3-vs-adapter/issues/293 but was not a bug in the nunit adapter.)

fsharp/FsCheck,fscheck/FsCheck,fscheck/FsCheck,ploeh/FsCheck