UI component updates (#4010)

* Update blockStatus & test results

* IdentityIcon rendering tests for #3950

* Update IdentityName with external messages

* Expand to cover basic layout sections

* ConfirmDialog rendering tests

* TxHash expansion & tests

* Cleanup ui/*.spec.js PropType warnings

* Use react-intl plural for confirmation/confirmations (verified manually)

js/src/api/util/identity.js

@@ -21,7 +21,7 @@ const TEST_ENV = process.env.NODE_ENV === 'test';
 
 export function createIdentityImg (address, scale = 8) {
   return TEST_ENV
-    ? ''
+    ? 'test-createIdentityImg'
     : blockies({
       seed: (address || '').toLowerCase(),
       size: 8,