ci changes for test

Signed-off-by: Gunjan Vyas <vyasgun20@gmail.com>

Author: vyasgun

ci_microshift.sh

@@ -10,6 +10,7 @@ MICROSHIFT_PRERELEASE=yes ./microshift.sh
 # Set the zstd compression level to 10 to have faster
 # compression while keeping a reasonable bundle size.
 export CRC_ZSTD_EXTRA_FLAGS="-10"
+export MICROSHIFT_NVR="4.18"
 ./createdisk.sh crc-tmp-install-data
 
 # Delete the crc domain which created by snc so it can created