Don't load transformers that aren't going to be used for an executable.

sdk/lib/_internal/pub/test/transformers_needed_by_transformers/dev_transformers_test.dart

Index: sdk/lib/_internal/pub/test/transformers_needed_by_transformers/dev_transformers_test.dart
diff --git a/sdk/lib/_internal/pub/test/transformers_needed_by_transformers/dev_transformers_test.dart b/sdk/lib/_internal/pub/test/transformers_needed_by_transformers/dev_transformers_test.dart
deleted file mode 100644
index db1671c245a82cab42951eb22c5aa57966e087d7..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/pub/test/transformers_needed_by_transformers/dev_transformers_test.dart
+++ /dev/null
@@ -1,71 +0,0 @@
-// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-library pub_tests;
-
-import '../descriptor.dart' as d;
-import '../test_pub.dart';
-import 'utils.dart';
-
-void main() {
-  initConfig();
-
-  integration("doesn't return a dependency's transformer that can't run on lib",
-      () {
-    d.dir(appPath, [
-      d.pubspec({
-        "name": "myapp",
-        "dependencies": {"foo": {"path": "../foo"}}
-      })
-    ]).create();
-
-    d.dir("foo", [
-      d.pubspec({
-        "name": "foo",
-        "version": "1.0.0",
-        "transformers": [{"foo": {"\$include": "test/foo_test.dart"}}]
-      }),
-      d.dir("lib", [d.file("foo.dart", transformer())]),
-      d.dir("test", [d.file("foo_test.dart", "")])
-    ]).create();
-
-    expectDependencies({});
-  });
-
-  integration("does return the root package's transformer that can't run on "
-      "lib", () {
-    d.dir(appPath, [
-      d.pubspec({
-        "name": "myapp",
-        "transformers": [{"myapp": {"\$include": "test/myapp_test.dart"}}]
-      }),
-      d.dir("lib", [d.file("myapp.dart", transformer())]),
-      d.dir("test", [d.file("myapp_test.dart", "")])
-    ]).create();
-
-    expectDependencies({"myapp": []});
-  });
-
-  integration("doesn't return a dependency's transformer that can run on bin",
-      () {
-    d.dir(appPath, [
-      d.pubspec({
-        "name": "myapp",
-        "dependencies": {"foo": {"path": "../foo"}}
-      })
-    ]).create();
-
-    d.dir("foo", [
-      d.pubspec({
-        "name": "foo",
-        "version": "1.0.0",
-        "transformers": [{"foo": {"\$include": "bin/foo.dart"}}]
-      }),
-      d.dir("lib", [d.file("foo.dart", transformer())]),
-      d.dir("test", [d.file("foo_test.dart", "")])
-    ]).create();
-
-    expectDependencies({"foo": []});
-  });
-}