[pyproject] Remove configuration for coverage and correct coverage source

pyproject.toml

@@ -85,15 +85,11 @@ lines_between_types = 1
 [tool.black]
 line-length = 80
 
-[tool.coverage.run]
-relative_files = true
-source_pkgs = ["exposed"]
-
 [tool.pytest.ini_options]
 addopts = [
     "--import-mode=append",
     "--cov-report=term-missing",
-    "--cov=exposed",
+    "--cov=src",
 ]
 junit_logging = "all"
 junit_log_passing_tests = false