Add test-minimal group

Author: dstansby

.github/workflows/test.yml

@@ -52,7 +52,7 @@ jobs:
         cache: 'pip'
     - name: Install Hatch
       run: |
-        python -m pip install --upgrade pip 
+        python -m pip install --upgrade pip
         pip install hatch
     - name: Set Up Hatch Env
       run: |
@@ -84,7 +84,7 @@ jobs:
         cache: 'pip'
     - name: Install Hatch
       run: |
-        python -m pip install --upgrade pip 
+        python -m pip install --upgrade pip
         pip install hatch
     - name: Set Up Hatch Env
       run: |
@@ -111,4 +111,4 @@ jobs:
           contains(needs.*.result, 'cancelled')
         run: exit 1
       - name: Success
-        run: echo Success!
+        run: echo Success!

pyproject.toml

@@ -68,7 +68,11 @@ gpu = [
 universal-pathlib = [
     'universal-pathlib>=0.0.22'
 ]
+tree = [
+    'rich',
+]
 # Development extras
+test-minimal = ["zarr[universal-pathlib, tree]"]
 test = [
     "coverage",
     "pytest",
@@ -94,6 +98,7 @@ docs = [
     'msgpack',
 ]
 
+
 [project.urls]
 "Bug Tracker" = "https://github.com/zarr-developers/zarr-python/issues"
 Changelog = "https://zarr.readthedocs.io/en/stable/release.html"
@@ -133,7 +138,7 @@ version = ["minimal"]
 [[tool.hatch.envs.test.matrix]]
 python = ["3.11", "3.12", "3.13"]
 numpy = ["1.25", "2.1"]
-features = ["optional"]
+features = ["test-minimal"]
 
 [[tool.hatch.envs.test.matrix]]
 python = ["3.11", "3.12", "3.13"]