short level = 1;
        queryPolicy = new MsrpcQueryInformationPolicy(mockPolicyHandle, level, mockNdrObject);

        // Act
        int opnum = queryPolicy.getOpnum();

        // Assert
        assertEquals(0x07, opnum); // Expected opnum for LsarQueryInformationPolicy
    }

    @Test
    void multipleInstances_shouldBeIndependent() {
        // Arrange
        short level1 = 1;