test: use project e2e schematic during E2E project setup

Previously, the globally installed CLI's schematic was used to setup E2E
testing in the generated project used for testing. By using the project's
schematic, the generated project becomes more representative of a user's
project.

Author: clydin

tests/legacy-cli/e2e/utils/project.ts

@@ -33,20 +33,21 @@ export async function prepareProjectForE2e(name) {
   await git('config', 'user.name', 'Angular CLI E2e');
   await git('config', 'commit.gpgSign', 'false');
 
-  await ng('generate', '@schematics/angular:e2e', '--related-app-name', name);
+  if (argv['ng-snapshots'] || argv['ng-tag']) {
+    await useSha();
+  }
+
+  console.log(`Project ${name} created... Installing packages.`);
+  await installWorkspacePackages();
+
+  await ng('generate', 'e2e', '--related-app-name', name);
 
   await useCIChrome('e2e');
   await useCIChrome('');
 
   // legacy projects
   await useCIChrome('src');
 
-  if (argv['ng-snapshots'] || argv['ng-tag']) {
-    await useSha();
-  }
-
-  console.log(`Project ${name} created... Installing npm.`);
-  await installWorkspacePackages();
   await useCIDefaults(name);
   // Force sourcemaps to be from the root of the filesystem.
   await updateJsonFile('tsconfig.json', (json) => {