omit tests in coverage

Author: daniel-sanche

noxfile.py

@@ -380,7 +380,13 @@ def cover(session):
     test runs (not system test runs), and then erases coverage data.
     """
     session.install("coverage", "pytest-cov")
-    session.run("coverage", "report", "--show-missing", "--fail-under=100")
+    session.run(
+        "coverage",
+        "report",
+        "--show-missing",
+        "--fail-under=100",
+        "--omit=tests/*",
+    )
 
     session.run("coverage", "erase")