clean up bim tests from trailing spaces

src/blenderbim/test/bim/feature/covering.feature

@@ -12,4 +12,3 @@ Scenario: Execute generate flooring coverings from walls
     And the object "IfcWall/Wall" is selected
     When I press "bim.add_instance_flooring_coverings_from_walls"
     Then nothing happens
-

src/blenderbim/test/bim/feature/drawing.feature

@@ -96,4 +96,3 @@ Scenario: Remove drawing - deleting active drawing
     And the object "IfcAnnotation/PLAN_VIEW" is selected
     When I press "bim.override_object_delete"
     Then the collection "IfcAnnotation/PLAN_VIEW" does not exist
-

src/blenderbim/test/bim/feature/geometry.feature

@@ -609,4 +609,3 @@ Scenario: Refresh linked aggregate - after duplicating an object
     Then the object "IfcWall/Wall_01.001" exists
     And the object "IfcWall/Wall_02.001" exists
     And the object "IfcWall/Wall_03.001" exists
-

src/blenderbim/test/bim/feature/resource.feature

@@ -315,7 +315,7 @@ Scenario: Assign Resource
     And I press "bim.assign_resource(resource={labor_resource}, related_object="")"
     Then nothing happens
 
-Scenario: UnAssign Resource
+Scenario: Unassign Resource
     Given an empty IFC project
     When I press "bim.load_resources"
     When I press "bim.add_resource(ifc_class="IfcCrewResource")"