Migrate pytest markers and options from message_data

- ece_db and slow markers.
- Skip tests marked ece_db by default.

Author: khaeru

.github/workflows/pytest.yaml

@@ -123,7 +123,7 @@ jobs:
     - name: Run test suite using pytest
       run: |
         pytest message_ix_models \
-          -m "not snapshot" \
+          -m "not (ece_db or snapshot)" \
           -rA --verbose --color=yes --durations=20 \
           --cov-report=term-missing --cov-report=xml \
           --numprocesses=auto \

conftest.py

@@ -1,2 +1,6 @@
 # Modules containing fixtures to use in testing
-pytest_plugins = ["ixmp.testing", "message_ix_models.testing"]
+pytest_plugins = [
+    "genno.testing",
+    "ixmp.testing",
+    "message_ix_models.testing",
+]

pyproject.toml

@@ -130,10 +130,18 @@ module = ["ixmp.*"]
 no_implicit_optional = false
 
 [tool.pytest.ini_options]
-# Disable faulthandler plugin on Windows to prevent spurious console noise
-addopts = "-p no:faulthandler --cov=message_ix_models --cov-report="
+# Default options for invoking pytest
+# - Skip tests with the "ece_db" marker
+# - Disable faulthandler plugin on Windows to prevent spurious console noise
+# - No coverage report
+addopts = """
+  -m "not ece_db"
+  -p no:faulthandler
+  --cov=message_ix_models --cov-report="""
 filterwarnings = "ignore:distutils Version classes.*:DeprecationWarning"
 markers = [
+  "ece_db: Tests requiring access to IIASA ECE internal databases",
+  "slow: Tests that typically take more than ~45 seconds wall time",
   "snapshot: Slow tests using the public MESSAGEix-GLOBIOM baseline snapshot",
 ]