Test Case Configuration
Follow the steps below to enable the kernel configuration. 
    - Under the root directory of freelight-u-sdk, type the
                    following command to enter the kernel menu configuration GUI.
                    make buildroot_initramfs-menuconfig
- Enter the Target packages menu.Figure 1. Target Packages   
- Enter the Libraries menu.Figure 2. Libraries   
- Enter the Graphics menu. Figure 3. Graphics   
- Enter the libdrm menu. Figure 4. libdrm   
- Select the Install test programs option, or you may
                    select ALL options under this menu. Figure 5. Install Test Programs   Result: After you have completed all the above configuration, you can use the modetest tool in kernel for testing. 
- Save your change before you exit the kernel configuration dialog.
