Try to tune coverage parameters once more.

pyproject.toml

@@ -301,7 +301,7 @@ curl = ">=8.4.0"
 
 [tool.coverage.run]
 # See note above on need to specify separate sources for pytest-coverage and coverage.
-source = ["src/pudl/", "test/integration/", "test/unit/"]
+# source = ["src/pudl/", "test/integration/", "test/unit/"]
 include = [
   "src/pudl/**",
   "test/integration/**",
@@ -312,14 +312,16 @@ omit = [
     # Never hit by integration tests:
     "src/pudl/validate.py",
 ]
+sigterm = true
 concurrency=["multiprocessing"]
+debug = ["config", "trace"]
 
 [tool.coverage.paths]
 # When running pudl tools installed with pip, the sources are imported
 # from package-data/pudl directory. The following maps this to raw
 # source files.
 pudl_sources = [
-  "src/pudl",
+  "src/pudl/",
   "*/site-packages/pudl/",
 ]