Comment out the line with rofs for f32tests.oby and comment out the variant bit to allow to build e32 & f32 tests for kernelhwsrv.
# component name "E32 Tests"
component base_e32test
source \sf\os\kernelhwsrv\kerneltest\e32test
binary \sf\os\kernelhwsrv\kerneltest\e32test\group all
binary \sf\os\kernelhwsrv\kerneltest\e32test\resourceman\acctst all
exports \sf\os\kernelhwsrv\kerneltest\e32test\group
exports \sf\os\kernelhwsrv\kerneltest\e32test\resourceman\acctst
notes_source \component_defs\release.src
ipr T