Python: Don't filter subclass tests away

Author: RasmusWL

python/ql/lib/semmle/python/frameworks/internal/SubclassFinder.qll

@@ -113,6 +113,9 @@ module NotExposed {
   }
 
   predicate isAllowedModule(Module mod) {
+    // for tests
+    mod.getName() = "find_subclass_test"
+    or
     // don't include anything found in site-packages
     exists(mod.getFile().getRelativePath()) and
     not mod.getFile().getRelativePath().regexpMatch("(?i)((^|/)examples?|^docs)/.*") and

python/ql/src/meta/ClassHierarchy/Find.ql

@@ -514,5 +514,9 @@ where
   ) and
   fullyQualifiedToYamlFormat(newModelFullyQualified, type2, path) and
   not Extensions::typeModel(spec, type2, path) and
-  not newModelFullyQualified.regexpMatch("(?i).*tests?_?.*")
+  (
+    not newModelFullyQualified.regexpMatch("(?i).*tests?_?.*")
+    or
+    type2 = "find_subclass_test"
+  )
 select spec.(string), type2, path