-# - inc_all_tests true if all kinds of problematic unit tests should be
-# included, blank otherwise
+# - inc_all_direct_tests true if all kinds of problematic unit tests among
+# the unit tests of the specified modules should be
+# included, blank otherwise
+# - inc_all_indirect_tests true if all kinds of problematic unit tests among
+# the unit tests of the dependencies should be
+# included, blank otherwise
+# - excl_cxx_tests true if C++ interoperability tests should be excluded,
+# blank otherwise
+# - excl_longrunning_tests true if long-runnings tests should be excluded,
+# blank otherwise
+# - excl_privileged_tests true if tests that require root privileges should be
+# excluded, blank otherwise
+# - excl_unportable_tests true if tests that fail on some platforms should be
+# excluded, blank otherwise