tab fix

exercises/robot-simulator/src/example/java/GridPosition.java

         this.y = y;
     }
 
-    @Override
+   @Override
    public int hashCode() {
       final int prime = 31;
       int result = 1;

exercises/robot-simulator/src/test/java/RobotTest.java

         final GridPosition initialGridPosition = new GridPosition(0, 0);
         final Robot robot = new Robot(initialGridPosition, Orientation.NORTH);
 
-		assertEquals(robot.getGridPosition(), initialGridPosition);
+        assertEquals(robot.getGridPosition(), initialGridPosition);
     }
 
     @Ignore("Remove to run test")
         final Orientation initialOrientation = Orientation.NORTH;
         final Robot robot = new Robot(new GridPosition(0, 0), initialOrientation);
 
-		assertEquals(robot.getOrientation(), initialOrientation);
+        assertEquals(robot.getOrientation(), initialOrientation);
     }
 
     @Ignore("Remove to run test")
 
         robot.turnRight();
 
-		assertEquals(robot.getGridPosition(), initialGridPosition);
+        assertEquals(robot.getGridPosition(), initialGridPosition);
     }
 
     @Ignore("Remove to run test")
 
         final Orientation expectedOrientation = Orientation.EAST;
 
-		assertEquals(robot.getOrientation(), expectedOrientation);
+        assertEquals(robot.getOrientation(), expectedOrientation);
     }
 
     @Ignore("Remove to run test")
 
         final Orientation expectedOrientation = Orientation.SOUTH;
 
-		assertEquals(robot.getOrientation(), expectedOrientation);
+        assertEquals(robot.getOrientation(), expectedOrientation);
     }
 
     @Ignore("Remove to run test")
 
         final Orientation expectedOrientation = Orientation.WEST;
 
-		assertEquals(robot.getOrientation(), expectedOrientation);
+        assertEquals(robot.getOrientation(), expectedOrientation);
     }
 
     @Ignore("Remove to run test")
 
         final Orientation expectedOrientation = Orientation.NORTH;
 
-		assertEquals(robot.getOrientation(), expectedOrientation);
+        assertEquals(robot.getOrientation(), expectedOrientation);
     }
 
     @Ignore("Remove to run test")
 
         robot.turnLeft();
 
-		assertEquals(robot.getGridPosition(), initialGridPosition);
+        assertEquals(robot.getGridPosition(), initialGridPosition);
     }
 
     @Ignore("Remove to run test")
 
         final Orientation expectedOrientation = Orientation.WEST;
 
-		assertEquals(robot.getOrientation(), expectedOrientation);
+        assertEquals(robot.getOrientation(), expectedOrientation);
     }
 
     @Ignore("Remove to run test")
 
         final Orientation expectedOrientation = Orientation.SOUTH;
 
-		assertEquals(robot.getOrientation(), expectedOrientation);
+        assertEquals(robot.getOrientation(), expectedOrientation);
     }
 
     @Ignore("Remove to run test")
 
         final Orientation expectedOrientation = Orientation.EAST;
 
-		assertEquals(robot.getOrientation(), expectedOrientation);
+        assertEquals(robot.getOrientation(), expectedOrientation);
     }
 
     @Ignore("Remove to run test")
 
         final Orientation expectedOrientation = Orientation.NORTH;
 
-		assertEquals(robot.getOrientation(), expectedOrientation);
+        assertEquals(robot.getOrientation(), expectedOrientation);
     }
 
     @Ignore("Remove to run test")
 
         robot.advance();
 
-		assertEquals(robot.getOrientation(), initialOrientation);
+        assertEquals(robot.getOrientation(), initialOrientation);
     }
 
     @Ignore("Remove to run test")
 
         final GridPosition expectedGridPosition = new GridPosition(0, 1);
 
-		assertEquals(robot.getGridPosition(), expectedGridPosition);
+        assertEquals(robot.getGridPosition(), expectedGridPosition);
     }
 
     @Ignore("Remove to run test")
 
         final GridPosition expectedGridPosition = new GridPosition(0, -1);
 
-		assertEquals(robot.getGridPosition(), expectedGridPosition);
+        assertEquals(robot.getGridPosition(), expectedGridPosition);
     }
 
     @Ignore("Remove to run test")
 
         final GridPosition expectedGridPosition = new GridPosition(1, 0);
 
-		assertEquals(robot.getGridPosition(), expectedGridPosition);
+        assertEquals(robot.getGridPosition(), expectedGridPosition);
     }
 
     @Ignore("Remove to run test")
 
         final GridPosition expectedGridPosition = new GridPosition(-1, 0);
 
-		assertEquals(robot.getGridPosition(), expectedGridPosition);
+        assertEquals(robot.getGridPosition(), expectedGridPosition);
     }
 
     @Ignore("Remove to run test")
         final GridPosition expectedGridPosition = new GridPosition(-4, 1);
         final Orientation expectedOrientation = Orientation.WEST;
 
-		assertEquals(robot.getGridPosition(), expectedGridPosition);
-		assertEquals(robot.getOrientation(), expectedOrientation);
+        assertEquals(robot.getGridPosition(), expectedGridPosition);
+        assertEquals(robot.getOrientation(), expectedOrientation);
     }
 
     @Ignore("Remove to run test")
         final GridPosition expectedGridPosition = new GridPosition(-3, -8);
         final Orientation expectedOrientation = Orientation.SOUTH;
 
-		assertEquals(robot.getGridPosition(), expectedGridPosition);
-		assertEquals(robot.getOrientation(), expectedOrientation);
+        assertEquals(robot.getGridPosition(), expectedGridPosition);
+        assertEquals(robot.getOrientation(), expectedOrientation);
     }
 
     @Ignore("Remove to run test")
         final GridPosition expectedGridPosition = new GridPosition(11, 5);
         final Orientation expectedOrientation = Orientation.NORTH;
 
-		assertEquals(robot.getGridPosition(), expectedGridPosition);
-		assertEquals(robot.getOrientation(), expectedOrientation);
+        assertEquals(robot.getGridPosition(), expectedGridPosition);
+        assertEquals(robot.getOrientation(), expectedOrientation);
     }
 
 }