build(language-service): make test project a filegroup (#36865)

This commit makes the test project a filegroup so that it could be
shared with the Ivy tests.
Also removed `project/foo.ts` since it is no longer used.

PR Close #36865

packages/language-service/test/BUILD.bazel

@@ -30,7 +30,7 @@ ts_library(
         "diagnostics_spec.ts",
         "hover_spec.ts",
     ],
-    data = glob(["project/**/*"]),
+    data = [":project"],
     deps = [
         ":test_utils_lib",
         "//packages/language-service",
@@ -51,7 +51,7 @@ ts_library(
         "typescript_host_spec.ts",
         "utils_spec.ts",
     ],
-    data = glob(["project/**/*"]),
+    data = [":project"],
     deps = [
         ":test_utils_lib",
         "//packages/compiler",
@@ -60,6 +60,12 @@ ts_library(
     ],
 )
 
+filegroup(
+    name = "project",
+    srcs = glob(["project/**/*"]),
+    visibility = ["//packages/language-service:__subpackages__"],
+)
+
 jasmine_node_test(
     name = "test",
     data = [

packages/language-service/test/project/foo.ts

@@ -1,9 +0,0 @@
-/**
- * @license
- * Copyright Google Inc. All Rights Reserved.
- *
- * Use of this source code is governed by an MIT-style license that can be
- * found in the LICENSE file at https://angular.io/license
- */
-
-export * from './app/app.component';