Make beautiful

public/app/plugins/datasource/prometheus/specs/completer.jest.ts

@@ -12,18 +12,19 @@ describe('Prometheus editor completer', function() {
 
   function getSessionStub(data) {
     return {
-      getTokenAt:jest.fn(()=> (data.currentToken)),
-      getTokens:jest.fn(()=> (data.tokens)),
-      getLine:jest.fn(()=> (data.line)),
+      getTokenAt: jest.fn(() => data.currentToken),
+      getTokens: jest.fn(() => data.tokens),
+      getLine: jest.fn(() => data.line),
     };
   }
 
   let editor = {};
 
-  let backendSrv = <BackendSrv>{}
-  let datasourceStub = new PrometheusDatasource({},{},backendSrv,{},{});
+  let backendSrv = <BackendSrv>{};
+  let datasourceStub = new PrometheusDatasource({}, {}, backendSrv, {}, {});
 
-  datasourceStub.performInstantQuery = jest.fn(() => Promise.resolve({
+  datasourceStub.performInstantQuery = jest.fn(() =>
+    Promise.resolve({
       data: {
         data: {
           result: [
@@ -40,7 +41,6 @@ describe('Prometheus editor completer', function() {
   );
   datasourceStub.performSuggestQuery = jest.fn(() => Promise.resolve(['node_cpu']));
 
-
   let templateSrv = {
     variables: [
       {