diff --git a/internal/gps/_testdata/src/dotgodir/foo.go/foo.go b/internal/gps/_testdata/src/dotgodir/foo.go/foo.go
index eef38b192c..1de8b0ab15 100644
--- a/internal/gps/_testdata/src/dotgodir/foo.go/foo.go
+++ b/internal/gps/_testdata/src/dotgodir/foo.go/foo.go
@@ -1,3 +1,12 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package foo
 
+import "sort"
+
+var _ = sort.Strings
+
 // yes, this is dumb, don't use ".go" in your directory names
+// See https://github.com/golang/dep/issues/550 for more information
diff --git a/internal/gps/pkgtree/pkgtree_test.go b/internal/gps/pkgtree/pkgtree_test.go
index d9112df09b..9371900079 100644
--- a/internal/gps/pkgtree/pkgtree_test.go
+++ b/internal/gps/pkgtree/pkgtree_test.go
@@ -1296,7 +1296,7 @@ func TestListPackages(t *testing.T) {
 						P: Package{
 							ImportPath: "dotgodir/foo.go",
 							Name:       "foo",
-							Imports:    []string{},
+							Imports:    []string{"sort"},
 						},
 					},
 				},