[gtk+] testsuite: Add a test for recent fix

[Benjamin Otte <otte src gnome org>]

commit 98954bd1d1e27e2e8b5181af1752a9e8e107c74c
Author: Benjamin Otte <otte redhat com>
Date:   Tue Jun 10 01:06:57 2014 +0200

    testsuite: Add a test for recent fix

 testsuite/css/parser/Makefile.am                   |    2 ++
 .../text-shadow-invalid-but-worked-in-3.12.css     |    7 +++++++
 2 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/testsuite/css/parser/Makefile.am b/testsuite/css/parser/Makefile.am
index e9ab80f..3120de0 100644
--- a/testsuite/css/parser/Makefile.am
+++ b/testsuite/css/parser/Makefile.am
@@ -336,6 +336,8 @@ test_data = \
        string-values.css \
        string-values.ref.css \
        test.png \
+       text-shadow-invalid-but-worked-in-3.12.css \
+       text-shadow-invalid-but-worked-in-3.12.ref.css \
        transition.css \
        transition.ref.css \
        value-inherit.css \
diff --git a/testsuite/css/parser/text-shadow-invalid-but-worked-in-3.12.css 
b/testsuite/css/parser/text-shadow-invalid-but-worked-in-3.12.css
new file mode 100644
index 0000000..7980f6d
--- /dev/null
+++ b/testsuite/css/parser/text-shadow-invalid-but-worked-in-3.12.css
@@ -0,0 +1,7 @@
+a {
+  text-shadow: inset 1px 1px;
+}
+
+b {
+  text-shadow: 0 0 0 0;
+}
diff --git a/testsuite/css/parser/text-shadow-invalid-but-worked-in-3.12.ref.css 
b/testsuite/css/parser/text-shadow-invalid-but-worked-in-3.12.ref.css
new file mode 100644
index 0000000..e69de29