fix coverage

add reflectable tests to the suite
diff --git a/test/mustache_all.dart b/test/mustache_all.dart
index 4650203..11adbe4 100644
--- a/test/mustache_all.dart
+++ b/test/mustache_all.dart
@@ -5,6 +5,8 @@
 import "mustache_test.dart" as general_test;
 import "mustache_context_reflect_with_mirros_test.dart"
     as reflect_with_mirrors_test;
+import "mustache_context_reflect_with_reflectable_test.dart"
+    as reflect_with_reflectable_test;
 
 void main() {
   context_test.main();
@@ -13,4 +15,5 @@
   specs_test.main();
   general_test.main();
   reflect_with_mirrors_test.main();
+  reflect_with_reflectable_test.main();
 }