test: always install a compatible version of @angular/material-moment-adapter

When not install a compatible version tests can fail due example https://app.circleci.com/pipelines/github/angular/angular-cli/23342/workflows/77ac48f1-1445-4722-9294-7841afc0b2cc/jobs/309894

Author: alan-agius4

tests/legacy-cli/e2e/tests/build/material.ts

@@ -1,13 +1,13 @@
 import { getGlobalVariable } from '../../utils/env';
-import { replaceInFile } from '../../utils/fs';
+import { readFile, replaceInFile } from '../../utils/fs';
 import { installPackage, installWorkspacePackages } from '../../utils/packages';
 import { ng } from '../../utils/process';
 import { isPrereleaseCli, updateJsonFile } from '../../utils/project';
 
 const snapshots = require('../../ng-snapshot/package.json');
 
 export default async function () {
-  const tag = (await isPrereleaseCli()) ? '@next' : '';
+  let tag = (await isPrereleaseCli()) ? '@next' : '';
   await ng('add', `@angular/material${tag}`, '--skip-confirmation');
 
   const isSnapshotBuild = getGlobalVariable('argv')['ng-snapshots'];
@@ -25,9 +25,14 @@ export default async function () {
       dependencies['@angular/material-moment-adapter'] =
         snapshots.dependencies['@angular/material-moment-adapter'];
     });
-
     await installWorkspacePackages();
   } else {
+    if (!tag) {
+      const installedMaterialVersion = JSON.parse(await readFile('package.json'))['dependencies'][
+        'angular/material'
+      ];
+      tag = `@${installedMaterialVersion}`;
+    }
     await installPackage(`@angular/material-moment-adapter${tag}`);
   }