lenient().when(mockConfig.isUseUnicode()).thenReturn(true);
    }

    @Test
    @DisplayName("Should create Type 1 message with default flags")
    void testType1MessageCreation() {
        // When
        Type1Message type1 = new Type1Message(mockContext);

        // Then
        assertNotNull(type1);
        // Note: getType() method does not exist in Type1Message