feat(ActionsObservable): ActionsObservable.from() now correctly ret…

…urns an ActionsObservable as expected (#149)

src/ActionsObservable.js

@@ -1,12 +1,17 @@
 import { Observable } from 'rxjs/Observable';
 import { of } from 'rxjs/observable/of';
+import { from } from 'rxjs/observable/from';
 import { filter } from 'rxjs/operator/filter';
 
 export class ActionsObservable extends Observable {
   static of(...actions) {
     return new this(of(...actions));
   }
 
+  static from(actions, scheduler) {
+    return new this(from(actions, scheduler));
+  }
+
   constructor(actionsSubject) {
     super();
     this.source = actionsSubject;

test/ActionsObservable-spec.js

@@ -17,6 +17,15 @@ describe('ActionsObservable', () => {
     expect(output).to.deep.equal([{ type: 'FIRST' }, { type: 'SECOND' }]);
   });
 
+  it('should support ActionsObservable.from(...actions, scheduler)', () => {
+    const output = [];
+    const action$ = ActionsObservable.from([{ type: 'FIRST' }, { type: 'SECOND' }]);
+    action$.subscribe(x => output.push(x));
+
+    expect(action$).to.be.an.instanceof(ActionsObservable);
+    expect(output).to.deep.equal([{ type: 'FIRST' }, { type: 'SECOND' }]);
+  });
+
   describe('ofType operator', () => {
     it('should filter by action type', () => {
       let actions = new Subject();