fix test on travis ci

Author: jvmvik

test/AccountApiSpec.js

@@ -10,7 +10,7 @@ describe('Account API', () => {
   })
 
   it('example', (done) => {
-    if (api_key != "demo") {
+    if (!process.env.API_KEY) {
       done()
       return
     }

test/SearchArchiveApiSpec.js

@@ -2,19 +2,13 @@ const expect = require('expect');
 const GSR = require('../lib/GoogleSearchResults');
 
 describe('Search Archive API', () => {
-  var api_key
-  beforeEach(() => {
-    // api_key is not required for the location API
-    api_key = process.env.API_KEY || "demo"
-  })
-
   it('example', (done) => {
-    if (api_key != "demo") {
+    if (!process.env.API_KEY) {
       done()
       return
     }
 
-    var client = new GSR.GoogleSearchResults(api_key)
+    var client = new GSR.GoogleSearchResults(process.env.API_KEY)
     client.json({q: "Coffee", location: "Portland" }, (search_result) => {
       // search in archive for the search just returned
       client.search_archive(search_result.search_metadata.id, (archived_search) => {