build: 32 bit linux ci

* in vector testsuite replaced EQUAL with DELTA for float comparison
* on linux use appsettings for testing
* botan deprecated warning
* template error in cxxtest

src/lib/utility/scheduling/TaskReturnSuccessWhile.h

@@ -60,8 +60,9 @@ Task::TaskState TaskReturnSuccessWhile<T>::doUpdate(std::shared_ptr<Blackboard>
 			return STATE_SUCCESS;
 		}
 		break;
+	default:
+		return STATE_FAILURE;
 	}
-
 	return STATE_FAILURE;
 }