Precompile dependencies' executables for use with "pub run".

sdk/lib/_internal/pub/test/snapshot/doesnt_snapshot_path_dependency_test.dart

Index: sdk/lib/_internal/pub/test/snapshot/doesnt_snapshot_path_dependency_test.dart
diff --git a/sdk/lib/_internal/pub/test/run/runs_the_script_in_checked_mode_test.dart b/sdk/lib/_internal/pub/test/snapshot/doesnt_snapshot_path_dependency_test.dart
similarity index 51%
copy from sdk/lib/_internal/pub/test/run/runs_the_script_in_checked_mode_test.dart
copy to sdk/lib/_internal/pub/test/snapshot/doesnt_snapshot_path_dependency_test.dart
index fd6b27af9c707a69623fa08f72982d0ecb4f3492..5c1b1c48e1854f6383202e2d4fcf197888ef7135 100644
--- a/sdk/lib/_internal/pub/test/run/runs_the_script_in_checked_mode_test.dart
+++ b/sdk/lib/_internal/pub/test/snapshot/doesnt_snapshot_path_dependency_test.dart
@@ -2,29 +2,28 @@
 // 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 'package:path/path.dart' as p;
 import 'package:scheduled_test/scheduled_test.dart';
 
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
 
-const SCRIPT = """
-main() {
-  int a = true;
-}
-""";
-
 main() {
   initConfig();
-  integration('runs the script in checked mode by default', () {
-    d.dir(appPath, [
-      d.appPubspec(),
+  integration("doesn't create a snapshot for a path dependency", () {
+    d.dir("foo", [
+      d.libPubspec("foo", "1.2.3"),
       d.dir("bin", [
-        d.file("script.dart", SCRIPT)
+        d.dir("bin", [d.file("hello.dart", "void main() => print('hello!');")])
       ])
     ]).create();
 
-    schedulePub(args: ["run", "script"],
-        error: contains("'bool' is not a subtype of type 'int' of 'a'"),
-        exitCode: 255);
+    d.appDir({"foo": {"path": "../foo"}}).create();
+
+    pubGet();
+
+    d.nothing(p.join(appPath, '.pub', 'bin')).validate();
   });
 }