test(@angular/cli): disable ng update tests that are no longer supported

Multiple versions update is no longer supported.

Author: alan-agius4

packages/angular/cli/commands/update-impl.ts

@@ -507,15 +507,14 @@ export class UpdateCommand extends Command<UpdateCommandSchema> {
         }
       }
 
+      let result: boolean;
       if (typeof options.migrateOnly == 'string') {
-        await this.executeMigration(
+        result = await this.executeMigration(
           packageName,
           migrations,
           options.migrateOnly,
           options.createCommits,
         );
-
-        return 0;
       } else {
         const from = coerceVersionNumber(options.from);
         if (!from) {
@@ -528,15 +527,15 @@ export class UpdateCommand extends Command<UpdateCommandSchema> {
           '>' + from + ' <=' + (options.to || packageNode.package.version),
         );
 
-        await this.executeMigrations(
+        result = await this.executeMigrations(
           packageName,
           migrations,
           migrationRange,
           options.createCommits,
         );
-
-        return 0;
       }
+
+      return result ? 0 : 1;
     }
 
     const requests: {

tests/legacy-cli/e2e/tests/update/update-1.0.ts

@@ -4,6 +4,8 @@ import { isPrereleaseCli, useBuiltPackages, useCIChrome, useCIDefaults } from '.
 import { expectToFail } from '../../utils/utils';
 
 export default async function() {
+  return;
+  
   const extraUpdateArgs = (await isPrereleaseCli()) ? ['--next', '--force'] : [];
 
   await createProjectFromAsset('1.0-project');

tests/legacy-cli/e2e/tests/update/update-1.7-longhand.ts

@@ -4,12 +4,14 @@ import { isPrereleaseCli, useBuiltPackages } from '../../utils/project';
 import { expectToFail } from '../../utils/utils';
 
 export default async function() {
+  return;
+
   const extraUpdateArgs = (await isPrereleaseCli()) ? ['--next', '--force'] : [];
 
-  await createProjectFromAsset('1.7-project');
+  await createProjectFromAsset('1.7-project', true);
 
   await expectToFail(() => ng('build'));
-  await ng('update', '@angular/cli', '--migrate-only', '--from=1.7.1');
+  await ng('update', '@angular/cli@8', '--migrate-only', '--from=1.7.1');
   await useBuiltPackages();
   await silentNpm('install');
   await ng('update', '@angular/core@10', ...extraUpdateArgs);

tests/legacy-cli/e2e/tests/update/update-1.7.ts

@@ -5,6 +5,7 @@ import { isPrereleaseCli, useBuiltPackages, useCIChrome, useCIDefaults } from '.
 import { expectToFail } from '../../utils/utils';
 
 export default async function() {
+  return;
   const extraUpdateArgs = (await isPrereleaseCli()) ? ['--next', '--force'] : [];
 
   await createProjectFromAsset('1.7-project');

tests/legacy-cli/e2e/tests/update/update-7.0.ts

@@ -1,12 +1,19 @@
 import { createProjectFromAsset } from '../../utils/assets';
-import { expectFileMatchToExist, expectFileToExist, expectFileToMatch } from '../../utils/fs';
+import {
+  expectFileMatchToExist,
+  expectFileToExist,
+  expectFileToMatch,
+  writeFile,
+} from '../../utils/fs';
 import { ng, noSilentNg, silentNpm } from '../../utils/process';
 import { isPrereleaseCli, useBuiltPackages, useCIChrome, useCIDefaults } from '../../utils/project';
 import { expectToFail } from '../../utils/utils';
 
-export default async function() {
-  await createProjectFromAsset('7.0-project');
-  await ng('update', '@angular/cli', '--migrate-only', '--from=7');
+export default async function () {
+  await createProjectFromAsset('7.0-project', true);
+  // Update Angular.
+  await ng('update', '@angular/core@8', '@angular/cli@8', '--force');
+  await ng('update', '@angular/core@9', '@angular/cli@9', '--force');
 
   // Test CLI migrations.
   // Should update the lazy route syntax via update-lazy-module-paths.
@@ -27,11 +34,11 @@ export default async function() {
   await useCIChrome('src/');
   await useCIChrome('e2e/');
   await useCIDefaults('seven-oh-project');
+  await writeFile('.npmrc', 'registry = http://localhost:4873', 'utf8');
   await silentNpm('install');
 
-  // Update Angular.
   const extraUpdateArgs = (await isPrereleaseCli()) ? ['--next', '--force'] : [];
-  await ng('update', '@angular/core@10', ...extraUpdateArgs);
+  await ng('update', '@angular/core@10', '@angular/cli@10', ...extraUpdateArgs);
 
   // Run CLI commands.
   await ng('generate', 'component', 'my-comp');