test: add selected_spec_large to flake jail

Author: alan-agius4

.circleci/config.yml

@@ -245,7 +245,7 @@ jobs:
   # This is where we put all the misbehaving and flaky tests so we can fine-tune their conditions 
   # and rerun them faster.
   flake-jail:
-    executor: action-executor
+    executor: test-executor
     steps:
       - attach_workspace: *attach_options
       - run: yarn webdriver-update

scripts/test.ts

@@ -23,6 +23,8 @@ const knownFlakes = [
   // Rebuild tests in test-large are flakey if not run as the first suite.
   // https://github.com/angular/angular-cli/pull/15204
   'packages/angular_devkit/build_angular/test/browser/rebuild_spec_large.ts',
+  // This is flaky with NGCC
+  'packages/angular_devkit/build_angular/test/karma/selected_spec_large.ts',
 ];
 
 const projectBaseDir = join(__dirname, '..');