split installation test out from where we use py310 syntax

Author: h-vetinari

.github/workflows/main.yml

@@ -42,4 +42,4 @@ jobs:
         run: pip install -r tests/requirements.txt
 
       - name: Test valid numpy installed
-        run: pytest -k test_valid_numpy_is_installed
+        run: pytest tests/test_installation.py -k test_valid_numpy_is_installed

tests/test_dependencies.py

@@ -111,17 +111,3 @@ def test_has_at_most_one_pinned_dependency(
     assert (
         len(filtered_requirements) == int(expect_pin)
     ), f"{log_msg}.\n{pprint.pformat(environment)}"
-
-
-def test_valid_numpy_is_installed(cfg_requirements):
-    filtered_requirements = []
-    for req in cfg_requirements:
-        if req.marker.evaluate():
-            filtered_requirements.append(req)
-
-    assert (len(filtered_requirements) == 1), "Expected exactly one pin."
-
-    item, = filtered_requirements[0].specifier
-
-    import numpy
-    assert item.version == numpy.__version__

tests/test_installation.py

@@ -0,0 +1,16 @@
+"""Test that version that gets installed (where we can run CI)
+matches the expectation defined in setup.cfg"""
+
+
+def test_valid_numpy_is_installed(cfg_requirements):
+    filtered_requirements = []
+    for req in cfg_requirements:
+        if req.marker.evaluate():
+            filtered_requirements.append(req)
+
+    assert (len(filtered_requirements) == 1), "Expected exactly one pin."
+
+    item, = filtered_requirements[0].specifier
+
+    import numpy
+    assert item.version == numpy.__version__