[rocshmem] CI: Disable RO flood testing, tracking issue AIROCSHMEM-324 (#3961)

## Motivation

Flood tests do not pass CI, tracking issue AIROCSHMEM-324

## Technical Details

Disable non-passing RO test case

## JIRA ID

AIROCSHMEM-296
AIROCSHMEM-324

## Test Plan

CI Jenkins run

## Submission Checklist

- [ ] Look over the contributing guidelines at
https://github.com/ROCm/ROCm/blob/develop/CONTRIBUTING.md#pull-requests.

Author: abouteiller

projects/rocshmem/scripts/functional_tests/driver.sh

@@ -502,6 +502,7 @@ TestOther() {
   ExecTest  "pingall"          2       32           1
 
   ################################ Flood test ##################################
+  if [[ $TEST != ro* ]]; then #AIROCSHMEM-324
   ExecTest  "flood_put"        2       64           1024
   ExecTest  "flood_put"        8       64           1024
   ExecTest  "flood_putnbi"     8       64           1024
@@ -518,6 +519,7 @@ TestOther() {
   ExecTest  "flood_add"        8       64           1024
   ExecTest  "flood_fadd"       8       64           1024
   ExecTest  "flood_waitadd"    8       64           1024
+  else echo "Skip:   flood_* (AIROCSHMEM-324: RO flood tests fail in UCX)"; fi
 
   # This test requires more contexts than workgroups
   export ROCSHMEM_MAX_NUM_CONTEXTS=1024