black screen in glesv2 example

[demensd]

Environment:
Ubuntu 16.04
Nvidia driver version 384.90-0ubuntu0.16.04.3
Geforce gtx 1050

Compiling source code for OpenGL ES:
https://askubuntu.com/questions/244133/how-do-i-get-egl-and-opengles-libraries-for-ubuntu-running-on-virtualbox

Command:
gcc glesTest.c -lGLESv2 -lglfw

Run:
a.out

ldd:
 linux-vdso.so.1 => (0x00007fff151fc000)
 libGLESv2.so.2 => /usr/lib/nvidia-384/libGLESv2.so.2 (0x00007f9dce6cd000)
 libglfw.so.3 => /usr/lib/x86_64-linux-gnu/libglfw.so.3 (0x00007f9dce4b7000)
 libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f9dce0ed000)
 libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f9dcdee9000)
 libGLdispatch.so.0 => /usr/lib/nvidia-384/libGLdispatch.so.0 (0x00007f9dcdc1b000)
 librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f9dcda13000)
 libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f9dcd70a000)
 libX11.so.6 => /usr/lib/x86_64-linux-gnu/libX11.so.6 (0x00007f9dcd3d0000)
 libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f9dcd1b3000)
 libXrandr.so.2 => /usr/lib/x86_64-linux-gnu/libXrandr.so.2 (0x00007f9dccfa8000)
 libXinerama.so.1 => /usr/lib/x86_64-linux-gnu/libXinerama.so.1 (0x00007f9dccda5000)
 libXi.so.6 => /usr/lib/x86_64-linux-gnu/libXi.so.6 (0x00007f9dccb95000)
 libXxf86vm.so.1 => /usr/lib/x86_64-linux-gnu/libXxf86vm.so.1 (0x00007f9dcc98f000)
 libXcursor.so.1 => /usr/lib/x86_64-linux-gnu/libXcursor.so.1 (0x00007f9dcc785000)
 /lib64/ld-linux-x86-64.so.2 (0x00007f9dce8dc000)
 libxcb.so.1 => /usr/lib/x86_64-linux-gnu/libxcb.so.1 (0x00007f9dcc563000)
 libXext.so.6 => /usr/lib/x86_64-linux-gnu/libXext.so.6 (0x00007f9dcc351000)
 libXrender.so.1 => /usr/lib/x86_64-linux-gnu/libXrender.so.1 (0x00007f9dcc147000)
 libXfixes.so.3 => /usr/lib/x86_64-linux-gnu/libXfixes.so.3 (0x00007f9dcbf41000)
 libXau.so.6 => /usr/lib/x86_64-linux-gnu/libXau.so.6 (0x00007f9dcbd3d000)
 libXdmcp.so.6 => /usr/lib/x86_64-linux-gnu/libXdmcp.so.6 (0x00007f9dcbb37000)

Result:
Got black screen as result.