Account view updates (#4008)

* Fix null account render issue, add tests

* Add tests for #3999 fix (merged in #4000)

* Only include sinon-as-promised globally for mocha

* Move transactions state into tested store

* Add esjify for mocha + ejs (cherry-picked)

* Extract store state into store, test it

* Use address (as per PR comments)

* Fix failing test after master merge

js/src/api/subscriptions/eth.spec.js

@@ -16,7 +16,6 @@
 
 import BigNumber from 'bignumber.js';
 import sinon from 'sinon';
-import 'sinon-as-promised';
 
 import Eth from './eth';
 

js/src/api/subscriptions/personal.spec.js

@@ -15,7 +15,6 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 import sinon from 'sinon';
-import 'sinon-as-promised';
 
 import Personal from './personal';