Reenable UCXX in CI (#1396)

UCXX CI tests had been previously disabled due to instabilities, see #1270 (comment), it should now be much more resilient so we should reenable them in preparation for the permanent migration to UCXX.

Authors:
  - Peter Andreas Entschev (https://github.com/pentschev)

Approvers:
  - Jake Awe (https://github.com/AyodeAwe)

URL: #1396

ci/test_python.sh

@@ -52,7 +52,7 @@ DASK_CUDA_WAIT_WORKERS_MIN_TIMEOUT=20 \
 UCXPY_IFNAME=eth0 \
 UCX_WARN_UNUSED_ENV_VARS=n \
 UCX_MEMTYPE_CACHE=n \
-timeout 60m pytest \
+timeout 90m pytest \
   -vv \
   --durations=50 \
   --capture=no \
@@ -62,7 +62,7 @@ timeout 60m pytest \
   --cov=dask_cuda \
   --cov-report=xml:"${RAPIDS_COVERAGE_DIR}/dask-cuda-coverage.xml" \
   --cov-report=term \
-  tests -k "not ucxx"
+  tests
 popd
 
 rapids-logger "pytest explicit-comms (legacy dd)"
@@ -73,7 +73,7 @@ DASK_CUDA_WAIT_WORKERS_MIN_TIMEOUT=20 \
 UCXPY_IFNAME=eth0 \
 UCX_WARN_UNUSED_ENV_VARS=n \
 UCX_MEMTYPE_CACHE=n \
-timeout 30m pytest \
+timeout 60m pytest \
   -vv \
   --durations=50 \
   --capture=no \
@@ -83,7 +83,7 @@ timeout 30m pytest \
   --cov=dask_cuda \
   --cov-report=xml:"${RAPIDS_COVERAGE_DIR}/dask-cuda-coverage-legacy.xml" \
   --cov-report=term \
-  tests/test_explicit_comms.py -k "not ucxx"
+  tests/test_explicit_comms.py
 popd
 
 rapids-logger "Run local benchmark (dask-expr)"