Create packages directories in test/ and bin/ as well as at the top level.

utils/tests/pub/pub_install_test.dart

Index: utils/tests/pub/pub_install_test.dart
diff --git a/utils/tests/pub/pub_install_test.dart b/utils/tests/pub/pub_install_test.dart
index e5d35397ca5f70cf2e390004c8f98f561b0575ce..ac0573e1f1804bcf9fa97ecf6d9cde9d8817a24a 100644
--- a/utils/tests/pub/pub_install_test.dart
+++ b/utils/tests/pub/pub_install_test.dart
@@ -48,4 +48,51 @@ main() {
 
     run();
   });
+
+  group('creates a packages directory in', () {
+    test('"test/" and its subdirectories', () {
+      dir(appPath, [
+        appPubspec([]),
+        dir("test", [dir("subtest")])
+      ]).scheduleCreate();
+
+      schedulePub(args: ['install'],
+          output: const RegExp(@"Dependencies installed!$"));
+
+      dir(appPath, [
+        dir("test", [
+          dir("packages", [
+            dir("myapp", [appPubspec([])])            
+          ]),
+          dir("subtest", [
+            dir("packages", [
+              dir("myapp", [appPubspec([])])            
+            ])
+          ])
+        ])
+      ]).scheduleValidate();
+
+      run();
+    });
+
+    test('"bin/"', () {
+      dir(appPath, [
+        appPubspec([]),
+        dir("bin")
+      ]).scheduleCreate();
+
+      schedulePub(args: ['install'],
+          output: const RegExp(@"Dependencies installed!$"));
+
+      dir(appPath, [
+        dir("bin", [
+          dir("packages", [
+            dir("myapp", [appPubspec([])])            
+          ])
+        ])
+      ]).scheduleValidate();
+
+      run();
+    });
+  });
 }