[1.8.x] Fixed #24289 -- Reversed usage of Field.many_to_one and one_to_many.

Thanks Carl Meyer and Tim Graham for the reviews and to all involved
in the discussion.

Backport of 18c0aaa9123579375294fcc4a8ee7e3530176b88 from master

1 files changed, 6 insertions, 6 deletions

diff --git a/tests/model_fields/test_field_flags.py b/tests/model_fields/test_field_flags.py
index 3749e55452..e86ee3a528 100644
--- a/tests/model_fields/test_field_flags.py
+++ b/tests/model_fields/test_field_flags.py
@@ -31,22 +31,22 @@ RELATION_FIELDS = (
     GenericRelation,
 )
 
-ONE_TO_MANY_CLASSES = {
+MANY_TO_MANY_CLASSES = {
+    ManyToManyField,
+}
+
+MANY_TO_ONE_CLASSES = {
     ForeignObject,
     ForeignKey,
     GenericForeignKey,
 }
 
-MANY_TO_ONE_CLASSES = {
+ONE_TO_MANY_CLASSES = {
     ForeignObjectRel,
     ManyToOneRel,
     GenericRelation,
 }
 
-MANY_TO_MANY_CLASSES = {
-    ManyToManyField,
-}
-
 ONE_TO_ONE_CLASSES = {
     OneToOneField,
 }