Test Static Turn Instructions / Don't miss-use guidance

[MoKob]

Breaking out from #2080

Since tests are currently requiring the infrastructure update to complete first (#2084), I am breaking these tests out of the original pull request to get a cleaner way of turn instructions into OSRM V5 early.

In general, the guidance tests should be the only ones using specific guidance results.
Other test should not rely on the actual instructions to be returned but focus on the ways/geometry or some other feature. Currently modifying guidance instructions can break all sorts of different tests, even though the tested feature is still intact.

• add cucumber tests for static turn instructions
  • fork
  • end of road
  • new name
  • suppressed
  • continue
  • merge
  • ramp
  • roundabouts
• find a way around the miss-use of turn instructions in other tests

[MoKob]

#2133 implements all testes and removes instruction-types from other tests