THRIFT-3637 Implement compact protocol for dart

This closes #916
diff --git a/test/tests.json b/test/tests.json
index 04caaa0..12dcd54 100644
--- a/test/tests.json
+++ b/test/tests.json
@@ -406,6 +406,7 @@
       ],
       "protocols": [
         "binary",
+        "compact",
         "json"
       ],
       "command": [