Fix test_notebooks_against_cirq_head for MacOS platform (#6366)

* And enable that test in CI-daily on MacOS

Partially implements #6336

.github/workflows/ci-daily.yml

@@ -86,6 +86,7 @@ jobs:
           pip install \
             -r dev_tools/requirements/deps/format.txt \
             -r dev_tools/requirements/deps/pylint.txt \
-            -r dev_tools/requirements/deps/pytest.txt
+            -r dev_tools/requirements/deps/pytest.txt \
+            -r dev_tools/requirements/deps/notebook.txt
       - name: Pytest check
         run: check/pytest -n auto --ignore=cirq-core/cirq/contrib --enable-slow-tests

dev_tools/notebooks/notebook_test.py

@@ -21,13 +21,13 @@
 
 import importlib.metadata
 import os
-import sys
 import tempfile
 
 import pytest
 
 from dev_tools import shell_tools
 from dev_tools.notebooks import filter_notebooks, list_all_notebooks, rewrite_notebook
+from dev_tools.test_utils import only_on_posix
 
 SKIP_NOTEBOOKS = [
     # skipping vendor notebooks as we don't have auth sorted out
@@ -87,7 +87,7 @@ def env_with_temporary_pip_target():
 
 
 @pytest.mark.slow
-@pytest.mark.skipif(sys.platform != "linux", reason="Linux-only test")
+@only_on_posix
 @pytest.mark.parametrize("notebook_path", filter_notebooks(list_all_notebooks(), SKIP_NOTEBOOKS))
 def test_notebooks_against_cirq_head(
     notebook_path, require_packages_not_changed, env_with_temporary_pip_target

dev_tools/requirements/deps/notebook.txt

@@ -8,6 +8,7 @@ ipykernel==5.3.4
 
 # for executing notebooks in tests
 papermill~=2.3.2
+quimb~=1.6.0
 
 # assumed to be part of colab
 seaborn~=0.11.1