Add code

1args/features/steps/concat.js

@@ -0,0 +1,9 @@
+import { When, Then } from 'cucumber'
+import { expect } from 'chai'
+
+When('I concatenate {string} and {string}', function (string, string2) {
+})
+       
+Then('the result should be {string}', function (string) {
+  expect(string).to.equal("Georg Cantor")
+})