Updated test cases documentation

docs/test_cases/t00037.md

@@ -13,7 +13,7 @@ diagrams:
         - clanguml::t00037
 ```
 ## Source code
-File t00037.cc
+File `tests/t00037/t00037.cc`
 ```cpp
 namespace clanguml {
 namespace t00037 {
@@ -255,6 +255,7 @@ struct A {
           "is_constexpr": false,
           "is_constructor": true,
           "is_copy_assignment": false,
+          "is_coroutine": false,
           "is_defaulted": false,
           "is_deleted": false,
           "is_move_assignment": false,