#9: + fix context tests and refcount

Author: EdmondDantes

async.c

@@ -658,7 +658,7 @@ PHP_FUNCTION(Async_currentContext)
 		async_context_t *context = async_context_new();
 		context->scope = scope;
 		scope->context = &context->base;
-		RETURN_OBJ(&context->std);
+		RETURN_OBJ_COPY(&context->std);
 	}
 
 	// Return the existing context from scope

scope.c

@@ -1088,10 +1088,10 @@ static void scope_dispose(zend_async_event_t *scope_event)
 		zend_async_scope_remove_child(scope->scope.parent_scope, &scope->scope);
 	}
 
-	// Clear weak reference from context to scope
 	if (scope->scope.context != NULL) {
 		async_context_t *context = (async_context_t *) scope->scope.context;
 		context->scope = NULL;
+		OBJ_RELEASE(&context->std);
 	}
 
 	if (scope->scope.scope_object != NULL) {

tests/context/002-context_inheritance.phpt

@@ -5,6 +5,7 @@ Context inheritance through scope hierarchy
 
 use function Async\spawn;
 use function Async\currentContext;
+use function Async\await;
 
 echo "start\n";
 
@@ -79,6 +80,8 @@ $child_coroutine = $child_scope->spawn(function() {
     return "child_done";
 });
 
+await($child_coroutine);
+
 $child_coroutine->getResult();
 
 echo "end\n";