User story 5 completed.

JavaScriptAirport/spec/FeatureSpec.js

@@ -21,7 +21,7 @@ describe('Feature Test', function (){
     plane.land(airport);
     spyOn(airport, 'isStormy').and.returnValue(true);
     expect(function(){
-      plane.takeoff();
+      plane.takeoff(airport);
     }).toThrowError('Takeoff prohibited due to storm conditions');
     expect(airport.planes()).toContain(plane);
   });

JavaScriptAirport/spec/airportSpec.js

@@ -26,7 +26,7 @@ describe('Airport', function(){
     });
 
     it('sets default capacity', function(){
-      expect(airport.DEFAULT_CAPACITY).toEqual(20)
+      expect(airport.capacity).toEqual(airport.DEFAULT_CAPACITY);
     });
 
     it('raises an error if full', function(){
@@ -43,7 +43,17 @@ describe('Airport', function(){
       }).toThrowError("Airport Empty!");
     });
   });
+
   it('checks for storm conditions', function(){
     expect(airport.isStormy()).toBeFalsy();
   });
+
+  describe('under stormy conditions',function(){
+    it('does not clear planes for takeoff when stormy', function(){
+      spyOn(airport,'isStormy').and.returnValue(true);
+      expect(function(){
+         airport.clearForTakeoff(plane);
+        }).toThrowError('Takeoff prohibited due to storm conditions');
+    });
+  });
 });

JavaScriptAirport/src/airport.js

@@ -16,13 +16,17 @@ class Airport{
       }
     this._runway.push(plane);
   };
+
   clearForTakeoff(plane){
+    if(this.isStormy()){
+      throw new Error('Takeoff prohibited due to storm conditions');
+    };
     if(this._runway.length == 0){
-    throw new Error("Airport Empty!");
-  }
-    this._runway.pop(plane);
-  };
+      throw new Error("Airport Empty!");
+    };
 
+    this._runway.pop(plane);
+  }
   isStormy(){
     return false;
   }

README.md

@@ -96,7 +96,7 @@ User story 2 and 3 - User story 2 and 3 complete . I implemented the same method
 
 User story 4 - capacity - had already begun this in user story 3  but refactored code and test to include DEFAULT_CAPACITY to get rid of the magic number.
 
-User story 5 -
+User story 5 - User story 5 completed. to pass the test,  I created a 'isStormy' function that returned false by default and created a guard clause within the 'clearForTakeoff' function that would through the error when isStormy was true. I also refactored my capacity test to have 'capacity' = 'DEFAULT_CAPACITY'.