diff --git a/app/src/providers/blocks/blocks.spec.ts b/app/src/providers/blocks/blocks.spec.ts
index 88f89fd..1aaa48a 100644
--- a/app/src/providers/blocks/blocks.spec.ts
+++ b/app/src/providers/blocks/blocks.spec.ts
@@ -1,7 +1,7 @@
-import { TestBed, getTestBed, inject, async } from '@angular/core/testing';
+import { TestBed, inject, async } from '@angular/core/testing';
 import { Http, HttpModule, BaseRequestOptions, Response, ResponseOptions } from '@angular/http';
 import { MockBackend } from '@angular/http/testing';
-import { BlocksProvider } from './blocks'
+import { BlocksProvider } from './blocks';
 import { ApiProvider } from '../api/api';
 
 describe('Blocks Provider', () => {
@@ -30,21 +30,29 @@ describe('Blocks Provider', () => {
     });
   }));
 
-    it('should ', inject([BlocksProvider, MockBackend], (blocksProvider, mockBackend) => {
-      const mockResponse = '{"blocks":[{"height":1563,"size":228,"virtualSize":228,"hash":"489e6480e453d763f58535d0ee01caf12aaaa14950af795b497b227fdbfbc502","time":1522354162,"txlength":1,"poolInfo":{}},{"height":1562,"size":228,"virtualSize":228,"hash":"48d7d1881936792f70ace3cdd1a7c4c1fd23271012f91158e3dcd5e41bcbcc8b","time":1522354162,"txlength":1,"poolInfo":{}},{"height":1561,"size":228,"virtualSize":228,"hash":"56cce3c458da02bc0c69797362178a5329a634a349c4ac7a15a0569169143de9","time":1522354162,"txlength":1,"poolInfo":{}},{"height":1560,"size":228,"virtualSize":228,"hash":"361c6eeadbd4547f8c821befda1d6e5cfcb82cb86069a01c473b53585d58fc34","time":1522354054,"txlength":1,"poolInfo":{}},{"height":1559,"size":228,"virtualSize":228,"hash":"435fa05d887f2426e1be3737bf6ef97949431e5bf52f2034fd797068cebedff4","time":1522354054,"txlength":1,"poolInfo":{}},{"height":1558,"size":228,"virtualSize":228,"hash":"32b34e269de0d96de19274c05cddf4a4b02abd2415935de5857c109a73b4bdd9","time":1522354054,"txlength":1,"poolInfo":{}},{"height":1557,"size":228,"virtualSize":228,"hash":"658314048fe1882392748acc5bb99ad9ab0d34508552a13ad8cbd45bfd8b3350","time":1522354054,"txlength":1,"poolInfo":{}}],"length":7,"pagination":{"next":"2018-03-30","prev":"2018-03-28","currentTs":1522367999,"current":"2018-03-29","isToday":true,"more":false}}';
- 
-      mockBackend.connections.subscribe((connection) => {
-        connection.mockRespond(new Response(new ResponseOptions({
-          body: mockResponse
-        })));
-      });
+  it('should ', inject([BlocksProvider, MockBackend], (blocksProvider, mockBackend) => {
+    const mockResponse: string = `{"blocks":[
+      {"height":1563,"size":228,"virtualSize":228,"hash":"489e6480e453d763f58535d0ee01caf12aaaa14950af795b497b227fdbfbc502","time":1522354162,"txlength":1,"poolInfo":{}},
+      {"height":1562,"size":228,"virtualSize":228,"hash":"48d7d1881936792f70ace3cdd1a7c4c1fd23271012f91158e3dcd5e41bcbcc8b","time":1522354162,"txlength":1,"poolInfo":{}},
+      {"height":1561,"size":228,"virtualSize":228,"hash":"56cce3c458da02bc0c69797362178a5329a634a349c4ac7a15a0569169143de9","time":1522354162,"txlength":1,"poolInfo":{}},
+      {"height":1560,"size":228,"virtualSize":228,"hash":"361c6eeadbd4547f8c821befda1d6e5cfcb82cb86069a01c473b53585d58fc34","time":1522354054,"txlength":1,"poolInfo":{}},
+      {"height":1559,"size":228,"virtualSize":228,"hash":"435fa05d887f2426e1be3737bf6ef97949431e5bf52f2034fd797068cebedff4","time":1522354054,"txlength":1,"poolInfo":{}},
+      {"height":1558,"size":228,"virtualSize":228,"hash":"32b34e269de0d96de19274c05cddf4a4b02abd2415935de5857c109a73b4bdd9","time":1522354054,"txlength":1,"poolInfo":{}},
+      {"height":1557,"size":228,"virtualSize":228,"hash":"658314048fe1882392748acc5bb99ad9ab0d34508552a13ad8cbd45bfd8b3350","time":1522354054,"txlength":1,"poolInfo":{}}
+      ],"length":7,"pagination":{"next":"2018-03-30","prev":"2018-03-28","currentTs":1522367999,"current":"2018-03-29","isToday":true,"more":false}}`;
 
-      blocksProvider.getBlocks().subscribe((response) => {
-        let blocks = JSON.parse(response._body).blocks;
+    mockBackend.connections.subscribe((connection) => {
+      connection.mockRespond(new Response(new ResponseOptions({
+        body: mockResponse
+      })));
+    });
 
-        expect(Array.isArray(blocks)).toBeTruthy();
-        expect(blocks.length).toBeGreaterThan(0);
-        expect(blocks.length).toBe(7);
-      });
-    }));
+    blocksProvider.getBlocks().subscribe((response) => {
+      let blocks: any = JSON.parse(response._body).blocks;
+
+      expect(Array.isArray(blocks)).toBeTruthy();
+      expect(blocks.length).toBeGreaterThan(0);
+      expect(blocks.length).toBe(7);
+    });
+  }));
 });