fix old integration tests, implement basic ones

- Closes #456

cypress/integration/basic.js

@@ -0,0 +1,22 @@
+/* eslint-env mocha */
+/* global cy */
+import { editorVisible } from '../support'
+describe('Basic', () => {
+  it('Should open editor with the correct text encoding', () => {
+    cy.visit('/?code=%250A%252F*%2520Passing%2520Boolean%2520as%2520method%2520to%2520find%2520returns%2520the%250A%2520*%2520first%2520truthy%2520value%2520in%2520the%2520array!%250A%2520*%252F%250A%255Bfalse%252C%2520false%252C%2520%27%27%252C%2520undefined%252C%2520%27qwijo%27%252C%25200%255D.find(Boolean)%2520%252F%252F%2520%27qwijo%27')
+    editorVisible()
+
+
+    cy.contains(
+      '#container',
+      '/* Passing Boolean as method to find returns the * first truthy value in the array! */[false, false, \'\', undefined, \'qwijo\', 0].find(Boolean) // \'qwijo\''
+    )
+  })
+
+  it('Should open editor with the correct text even with bad URI component', () => {
+    cy.visit('/?code=%25')
+    editorVisible()
+
+    cy.contains('#container', '%')
+  })
+})

cypress/integration/gist.js

@@ -7,6 +7,6 @@ describe('Gist', () => {
     editorVisible()
 
     cy.contains('Y-Combinator implemented in JavaScript')
-    cy.get('#downshift-input-Auto').should('have.value', 'JavaScript')
+    cy.get('#downshift-input-JavaScript').should('have.value', 'JavaScript')
   })
 })