[foo] Add a module so we can test and create a coverage report

src/foo.py

@@ -0,0 +1,2 @@
+def dummy():
+    return (1, 1, 1)

tests/test_something.py

@@ -0,0 +1,8 @@
+def test_always_true():
+    assert True
+
+
+def test_something_in_src():
+    from foo import dummy
+
+    assert dummy() == (1, 1, 1)