deps(selenium-webdriver): upgrade to 3.0.0 (#63)

fix test "should wait till the expect to run the flow"

- `isPending` exists but it is no longer part of `ManagedPromise`
- `isPending` also is no longer exported in `lib/promise.js`
- wrote an `isPending` similar to selenium-webdriver in common.js

require a minimum node version

- selenium-webdriver 3.0.0 requires node >= 6.9.0
- update travis test to use node 6

Author: cnishina

.travis.yml

@@ -1,7 +1,7 @@
 sudo: false
 language: node_js
 node_js:
-  - "4"
+  - "6"
 
 script:
   - npm test

package.json

@@ -14,7 +14,7 @@
   "devDependencies": {
     "jasmine": "2.4.1",
     "jshint": "2.5.0",
-    "selenium-webdriver": "^3.0.0-beta-3",
+    "selenium-webdriver": "^3.0.0",
     "typescript": "^2.0.0"
   },
   "repository": {
@@ -29,5 +29,8 @@
     "test": "scripts/test.sh"
   },
   "license": "MIT",
+  "engines": {
+    "node": ">= 6.9.0"
+  },
   "version": "0.1.0-beta.0"
 }

spec/adapterSpec.js

@@ -76,9 +76,9 @@ describe('webdriverJS Jasmine adapter', function() {
 
   it('should wait till the expect to run the flow', function() {
     var promiseA = fakeDriver.getValueA();
-    expect(promiseA.isPending()).toBe(true);
+    expect(common.isPending(promiseA)).toBe(true);
     expect(promiseA).toEqual('a');
-    expect(promiseA.isPending()).toBe(true);
+    expect(common.isPending(promiseA)).toBe(true);
   });
 
   it('should compare a promise to a promise', function() {

spec/common.js

@@ -123,3 +123,7 @@ exports.getMatchers = function() {
     }
   };
 };
+
+exports.isPending = function(managedPromise) {
+  return managedPromise.state_ === 'pending';
+};