message: Fix mispelled parameter name
diff: @@ -246,7 +246,7 @@ describe("Postcodes routes", () => {
  .expect("Content-Type", /json/)
  .expect(helper.allowsCORS)
  .expect(400)
  - .end((err, response) => {
  + .end((error, response) => {
  if(error) return done(error)
  assert.match(response.body.error, /Invalid longitude\/latitude submitted/i);
  done();
  @@ -266,7 +266,7 @@ describe("Postcodes routes", () => {
  .expect("Content-Type", /json/)
  .expect(helper.allowsCORS)
  .expect(400)
  - .end((err, response) => {
  + .end((error, response) => {
  if(error) return done(error)
  assert.match(response.body.error, /Invalid longitude\/latitude submitted/i);
  done();
  