Fix samplerlessReads read_write (#329) (#1016)

The test was trying to create read_write image with read_only formats.
Make it use common image formats for both read_only and read_write
flags when creating images.

Fixes issue #329

Signed-off-by: Radek Szymanski <radek.szymanski@arm.com>
Signed-off-by: James Morrissey <james.morrissey@arm.com>

Co-authored-by: Radek Szymanski <radek.szymanski@arm.com>
1 file changed