old_contents: const chai = require('chai')
  const assert = chai.assert;
  const sinon = require('sinon');
  const Bumper = require("../lib/bumper")
  
  describe("Bumper", function(){
    context("with assigned attributes", function(){
      var bumper = new Bumper(0,0,10,10)
  
      it("should have an x min position", function(){
        assert.equal(bumper.minX, 0)
      })
  
      it("should have a y min position", function(){
        assert.equal(bumper.minY, 0)
      })
  
      it("should have an x max position", function(){
        assert.equal(bumper.maxX, 10)
      })
  
      it("should have a y max position", function(){
        assert.equal(bumper.maxY, 10)
      })
  
      it("should have a default color of white", function(){
        assert.equal(bumper.color, "white")
      });
    });
  });
  
new_contents: const chai = require('chai')
  const assert = chai.assert;
  const sinon = require('sinon');
  const Bumper = require("../lib/bumper")
  
  describe("Bumper", function(){
    context("with assigned attributes", function(){
      var bumper = new Bumper({minX: 0, minY:0, maxX:10, maxY:10})
  
      it("should have an x min position", function(){
        assert.equal(bumper.minX, 0)
      })
  
      it("should have a y min position", function(){
        assert.equal(bumper.minY, 0)
      })
  
      it("should have an x max position", function(){
        assert.equal(bumper.maxX, 10)
      })
  
      it("should have a y max position", function(){
        assert.equal(bumper.maxY, 10)
      })
  
      it("should have a default color of white", function(){
        assert.equal(bumper.color, "white")
      });
    });
  });
  
subject: Change test to reflect changes to coords