Tweak coverage config

pyproject.toml

@@ -65,6 +65,10 @@ commands =
     poetry run inv test
 """
 
+[tool.coverage.run]
+omit = ["tasks.py"]
+branch = true
+
 [build-system]
 requires = ["poetry-core>=1.0.0"]
 build-backend = "poetry.core.masonry.api"

tasks.py

@@ -14,7 +14,11 @@ def test(ctx):
 @task
 def test_cov(ctx):
     with ctx.cd(BASE_DIR):
-        ctx.run(f"pytest --cov=.", pty=True, echo=True)
+        ctx.run(
+            f"pytest --cov=. --cov-report term-missing:skip-covered",
+            pty=True,
+            echo=True,
+        )
 
 
 @task