run zarr test for zarr3

AB_environments/AB_baseline.dask.yaml

@@ -2,6 +2,3 @@
 # (overriding the built-in config) for the baseline environment.
 # Change contents, but do not rename.
 # Leave empty if you don't want to override anything.
-dask:
-  dataframe:
-    query-planning: True

AB_environments/AB_sample.conda.yaml

@@ -36,7 +36,7 @@ dependencies:
   - click ==8.1.7
   - xarray ==2024.11.0
   - flox ==0.9.15
-  - zarr ==2.18.3
+  - zarr >=3.0.0
   - cftime ==1.6.4
   - msgpack-python
   - cloudpickle ==3.1.0
@@ -72,6 +72,6 @@ dependencies:
     # conda. You may alternatively point to your own git fork (but make sure you
     # sync'ed tags!)
     # Read README.md for troubleshooting.
-    - git+https://github.com/dask/dask@191d39177009d2cce25b818878118e35329b6db3
-    - git+https://github.com/dask/distributed@0304fb6e665e36abf9e3086173cccd36e29ae84d
-    - git+https://github.com/dask-contrib/dask-expr@9f765764da3f518ddd4c896c98b8a40a979a5553
+    # - git+https://github.com/dask/dask@191d39177009d2cce25b818878118e35329b6db3
+    # - git+https://github.com/dask/distributed@0304fb6e665e36abf9e3086173cccd36e29ae84d
+    # - git+https://github.com/dask-contrib/dask-expr@9f765764da3f518ddd4c896c98b8a40a979a5553

AB_environments/config.yaml

@@ -3,26 +3,25 @@
 # Setting it to 5 is a good value to get statistically significant results.
 # This must remain set to 0 in the main branch, thus completely disabling
 # A/B tests, in order to avoid unnecessary runs.
-repeat: 0
+repeat: 5
 
 # Set to true to automatically create a verbatim copy of AB_baseline and then compare
 # the two in the A/B tests. Set to false to save some money if you are already confident
 # that the 'repeat' setting is high enough.
-test_null_hypothesis: true
+test_null_hypothesis: false
 
 # Test directories, test files, or individual tests to run.
 targets:
   # - tests
-  - tests/benchmarks
   # - tests/runtime
   # - tests/stability
   # - tests/tpch/test_dask.py
   # - tests/benchmarks/test_futures.py
-  # - tests/benchmarks/test_array.py::test_basic_sum
+  - tests/benchmarks/test_zarr.py
 
 # pytest markers or marker expressions. See setup.cfg for available ones.
 # Leave blank to run all marked and unmarked tests.
-markers: not tpch_nondask
+# markers: not tpch_nondask
 # markers: shuffle_p2p
 # markers: shuffle_p2p or shuffle_tasks
 # markers: not shuffle_tasks
@@ -35,7 +34,7 @@ h2o_datasets:
   # - 0.5 GB (parquet)
   # - 5 GB (parquet)
   # - 50 GB (parquet)
-  - 5 GB (parquet+pyarrow)
+  # - 5 GB (parquet+pyarrow)
   # - 50 GB (parquet+pyarrow)
   # - 500 GB (parquet+pyarrow)