c# - Ignoring exceptions handled by other assembly -

i have application smoke testing several key services. want these tests written , self discovering. end, have created attribute each method in style of [testmethod] mstest. have created object find these methods , execute them within try-catch. if method throws exception report failure, otherwise success.

this unit test familiar , intention. test like...

[mytestattribute] public void testingtimesahead() {   var d = datetime.maxvalue.adddays(1); } 

the magic happens in test object, has action property , run method...

    public action testaction { get; private set; }       public override itestresult runtest()     {         try         {             this.testaction.invoke();             return new basetestresult() { result = testresultstatus.success };         }         catch(exception ex)         {             return new basetestresult() { result = testresultstatus.failure, failureexception = ex};         }     } 

when ran in isolation above test, being wrapped action, cause exception , test fails. perfect.

however, when wrap attributes , test running object dll , reference new project, vs debugger breaks exception. presented option in dialog toggle 'break when exception type user-unhandled'.

i can suppress exceptions on type type basis, isn't going work reuse. also, if run release build bin output, expected behaviour there - it's awkward development experience.

is possible manage exception setting code instead? or if can suggest way around problem, i'm open ideas.