[geary/wip/728002-webkit2] Update some test code attributions.

[Michael Gratton <mjog src gnome org>]

commit 27b2a64b103881c7d68d1e6671d37a5c73c60cd6
Author: Michael James Gratton <mike vee net>
Date:   Mon Jan 30 23:02:23 2017 +1100

    Update some test code attributions.

 test/CMakeLists.txt |    2 +-
 test/testcase.vala  |    1 +
 2 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index b5f5495..db10c53 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -4,7 +4,7 @@
 
 set(TEST_SRC
   main.vala
-  testcase.vala # Taken as-is from libgee, courtesy Julien Peeters
+  testcase.vala # Based on same file in libgee, courtesy Julien Peeters
 
   engine/rfc822-mailbox-address-test.vala
   engine/rfc822-message-test.vala
diff --git a/test/testcase.vala b/test/testcase.vala
index c6f7769..291ead9 100644
--- a/test/testcase.vala
+++ b/test/testcase.vala
@@ -1,6 +1,7 @@
 /* testcase.vala
  *
  * Copyright (C) 2009 Julien Peeters
+ * Copyright (C) 2017 Michael Gratton
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public