imports: adjust tests to check vendored packages again (fix build)

Change-Id: I616dccc07c255bb7ca1146ad0d37d05999eeb772
Reviewed-on: https://go-review.googlesource.com/21142
Reviewed-by: Alan Donovan <adonovan@google.com>
diff --git a/imports/fix_test.go b/imports/fix_test.go
index 20c5b34..49fc8de 100644
--- a/imports/fix_test.go
+++ b/imports/fix_test.go
@@ -908,9 +908,7 @@
 	if err != nil {
 		t.Fatal(err)
 	}
-	// TODO: adjust once we use vendoring again
-	// want := "golang.org/x/net/http2/hpack"
-	want := "internal/golang.org/x/net/http2/hpack"
+	want := "golang.org/x/net/http2/hpack"
 	if got != want || rename {
 		t.Errorf(`findImportGoPath("hpack", HuffmanDecode ...)=%q, %t, want %q, false`, got, rename, want)
 	}
@@ -944,9 +942,7 @@
 	if err != nil {
 		t.Fatal(err)
 	}
-	// TODO: adjust once we use vendoring again
-	// want := "golang.org/x/net/http2/hpack"
-	want := "internal/golang.org/x/net/http2/hpack"
+	want := "golang.org/x/net/http2/hpack"
 	if !bytes.Contains(out, []byte(want)) {
 		t.Fatalf("Process(%q) did not add expected hpack import:\n%s", target, out)
 	}