Add a test for new text node syntax

Add a test that checks that font: properties can be parsed without
error, both with and without the optional url.

testsuite/gsk/meson.build

@@ -385,6 +385,8 @@ node_parser_tests = [
   'text-fail.node',
   'text-fail.ref.node',
   'text-fail.errors',
+  'text-font-blob.node',
+  'text-font-blob.ref.node',
   'text-no-color.node',
   'texture-fail.node',
   'texture-fail.ref.node',

testsuite/gsk/nodeparser/text-font-blob.node

@@ -0,0 +1,23 @@
+text {
+  font: "text-mixed-color 7.5" url("data:font/ttf;base64,\
+AAEAAAAKAIAAAwAgQ09MUgATAEEAAAJ8AAAALENQQUwB/wATAAACqAAAABpjbWFwAHcAPQAAATwA\
+AAA0Z2x5Zu8g4kAAAAGEAAAA0mhlYWQmofyJAAAArAAAADZoaGVhDAEEAgAAAOQAAAAkaG10eAQA\
+AQAAAAEoAAAAFGxvY2EAyAD5AAABcAAAABRtYXhwAAwACQAAAQgAAAAgbmFtZX7VdrQAAAJYAAAA\
+IgABAAAAARmajs74k18PPPUAAggAAAAAAOHCPQAAAAAA4cpY+QAAAAAEAAgAAAAAAQACAAAAAAAA\
+AAEAAAgAAAAAAAQAAAAAAAQAAAEAAAAAAAAAAAAAAAAAAAABAAEAAAAJAAgAAgAAAAAAAQAAAAAA\
+AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAABAAAAAAEAAAADAAAADAAEACgAAAAGAAQAAQAC\
+ACAASP//AAAAIABB////4P/AAAEAAAAAAAAAAAAAAAwAGAAkADAAPABIAFwAaQABAAAAAAQACAAA\
+AwAAMSERIQQA/AAIAAABAAAAAAQACAAAAwAAMSERIQQA/AAIAAABAAAAAAQACAAAAwAAMSERIQQA\
+/AAIAAABAAAAAAQACAAAAwAAMSERIQQA/AAIAAABAAAAAAQACAAAAwAAMSERIQQA/AAIAAABAAAA\
+AAQACAAAAwAAMSERIQQA/AAIAAACAAAAAAQACAAAAwAHAAAxIREhExEhEQQA/AAFA/YIAPgFB/b4\
+CgAAAQEAAAADAAgAAAMAACEhESEBAAIA/gAIAAAAAAAAAQASAAEAAAAAAAEAEAAAdGV4dC1taXhl\
+ZC1jb2xvcgAAAAAAAwAAAA4AAAAgAAMABAAAAAEABQABAAEABgACAAEAAgAAAAMAAQADAAIAAAAD\
+AAEAAwAAAA4AAAAA//8A/wD//wAA/wAA\
+");
+  glyphs: 7 10;
+}
+
+text {
+  font: "Cantarell 11";
+  glyphs: "Hello";
+}

testsuite/gsk/nodeparser/text-font-blob.ref.node

@@ -0,0 +1,8 @@
+text {
+  font: "text-mixed-color 7.5";
+  glyphs: 7 10;
+}
+text {
+  font: "Cantarell 11";
+  glyphs: "Hello";
+}