test: update basic update test with typescript check

tests/e2e/tests/basic/update.ts

@@ -7,12 +7,13 @@ export default function () {
   let origPackageJson: string;
   let origCoreVersion: string;
   let origCliVersion: string;
+  let origTypeScriptVersion: string;
 
   function updateVersions(obj: any) {
     const keys = Object.keys(obj);
     keys.forEach(key => {
       if (key.startsWith('@angular/')) {
-        obj[key] = '2.0.0';
+        obj[key] = '2.1.0';
       }
     });
   }
@@ -22,18 +23,24 @@ export default function () {
     .then(() => updateJsonFile('package.json', obj => {
       origCoreVersion = obj.dependencies['@angular/core'];
       origCliVersion = obj.devDependencies['@angular/cli'];
+      origTypeScriptVersion = obj.devDependencies['typescript'];
       updateVersions(obj.dependencies);
       updateVersions(obj.devDependencies);
       obj.devDependencies['@angular/cli'] = '1.6.5';
+      obj.devDependencies['typescript'] = '2.0.2';
     }))
     .then(() => ng('update'))
     .then(() => readFile('package.json'))
     .then(s => {
       const obj = JSON.parse(s);
-      const version = obj.dependencies['@angular/core'];
-      const cliVersion = obj.devDependencies['@angular/cli'];
-      if (origCoreVersion === version || origCliVersion === cliVersion) {
-        throw new Error('Versions not updated');
+      if (origCoreVersion === obj.dependencies['@angular/core']) {
+        throw new Error('Angular Core version not updated');
+      }
+      if (origCliVersion === obj.devDependencies['@angular/cli']) {
+        throw new Error('CLI version not updated');
+      }
+      if (origTypeScriptVersion === obj.devDependencies['typescript']) {
+        throw new Error('TypeScript version not updated');
       }
     })
     .then(() => writeFile('package.json', origPackageJson))