amdgpu(DRI_PRIME) env doesn't affect to bionic

[Betty Lin]

amdgpu(DRI_PRIME) env doesn't affect to bionic, the test doesn't run on 18.04

https://git.launchpad.net/plainbox-provider-checkbox/tree/bin/graphics_env#n16

Line 16, the environment only apply to xenial

[Ray Chen (ray.chen)]

This fix was verified on below version

u@u-Inspiron-5594:~$ checkbox-cli --version
checkbox-ng: 1.5.0rc1
checkbox-support: 0.42.0rc1
com.canonical.ce:oem: 1.0
certification-client: 0.38.0rc1
plainbox-provider-checkbox: 0.49.0rc2
plainbox-provider-resource-generic: 0.41.0rc1
plainbox-provider-sru: 1.14.0rc1
plainbox-provider-tpm2: 1.11.0rc1

This fix are also working on DRI2 with error message

From Sylvain message
<spineau> RayChen: ok, so it seems the command we're using to determine if we have a DRI3 chip no longer works

test output is attached

[Ray Chen (ray.chen)]

Test platform was DRI2

u@u-Inspiron-5594:~$ cat /var/log/Xorg.0.log ~/.local/share/xorg/Xorg.0.log 2>&1 | grep DRI2
[ 9.990] (II) RADEON(G0): [DRI2] Setup complete
[ 9.990] (II) RADEON(G0): [DRI2] DRI driver: radeonsi
[ 9.990] (II) RADEON(G0): [DRI2] VDPAU driver: radeonsi
[ 10.357] (II) modeset(0): [DRI2] Setup complete
[ 10.357] (II) modeset(0): [DRI2] DRI driver: i965
[ 10.357] (II) modeset(0): [DRI2] VDPAU driver: i965
[ 10.363] (II) GLX: Initialized DRI2 GL provider for screen 0
[ 245.053] (II) RADEON(G0): [DRI2] Setup complete
[ 245.053] (II) RADEON(G0): [DRI2] DRI driver: radeonsi
[ 245.053] (II) RADEON(G0): [DRI2] VDPAU driver: radeonsi
[ 245.416] (II) modeset(0): [DRI2] Setup complete
[ 245.416] (II) modeset(0): [DRI2] DRI driver: i965
[ 245.416] (II) modeset(0): [DRI2] VDPAU driver: i965
[ 245.427] (II) GLX: Initialized DRI2 GL provider for screen 0
u@u-Inspiron-5594:~$

[Ray Chen (ray.chen)]

u@u-Inspiron-5594:~$ DRI_PRIME=1 glxinfo | grep "OpenGL renderer"
OpenGL renderer string: AMD HAINAN (DRM 2.50.0, 4.15.0-1042-oem, LLVM 8.0.0)