delete calclulator and update pipeline

Author: licanhua

.gitmodules

@@ -0,0 +1,22 @@
+trigger:
+- master
+
+pool:
+  vmImage: 'windows-2019'
+  
+steps:
+
+- checkout: self
+  clean: true
+  lfs: false
+  persistCredentials: false
+
+- task: CmdLine@2
+  displayName: yarn install
+  inputs:
+    script: yarn install
+
+- task: CmdLine@2
+  displayName: yarn run prepublishOnly
+  inputs:
+    script: yarn run prepublishOnly

azure-pipelines.yml

@@ -27,7 +27,7 @@ export class PageObject {
 
   waitForPageLoaded(timeout?: number) {
     const theTimeout = timeout ? timeout : Config.getWaitForPageTimeout();
-    this.driver.wait2(
+    return this.driver.wait2(
       () => {
         return this.isPageLoaded();
       },