Adding a utility function for lambda method handles in struct cont.

Author: svorenova

unit/testing-utils/require_type.cpp

@@ -395,10 +395,12 @@ java_generic_symbol_typet require_type::require_java_generic_symbol_type(
   return generic_base_type;
 }
 
-///
-/// \param class_struct
-/// \param expected_identifiers
-/// \return
+/// Verify that the lambda method handles of a class match the given
+/// expectation.
+/// \param class_struct class type to be verified
+/// \param expected_identifiers expected list of lambda method handle
+///   references
+/// \return lambda method handles of the class
 require_type::java_lambda_method_handlest
 require_type::require_lambda_method_handles(
   const java_class_typet &class_type,
@@ -415,7 +417,7 @@ require_type::require_lambda_method_handles(
       expected_identifiers.begin(),
       [](
         const symbol_exprt &lambda_method_handle,
-        const std::string &expected_identifier) {
+        const std::string &expected_identifier) { //NOLINT
         return lambda_method_handle.get_identifier() == expected_identifier;
       }));
   return lambda_method_handles;