upgrade oracle CI db, fix errant test models checkin

Author: bckohan

.github/workflows/test.yml

@@ -364,7 +364,7 @@ jobs:
     services:
       oracle:
 
-        image: gvenzl/oracle-free:latest
+        image: gvenzl/oracle-xe:latest
 
         env:
           ORACLE_PASSWORD: password
@@ -394,7 +394,7 @@ jobs:
           virtualenvs-in-project: true
       - name: Install Oracle Client
         run: |
-          curl --output oracle-client.rpm https://download.oracle.com/otn_software/linux/instantclient/219000/oracle-instantclient-basiclite-21.9.0.0.0-1.el8.x86_64.rpm
+          curl --output oracle-client.rpm https://download.oracle.com/otn_software/linux/instantclient/2111000/oracle-instantclient-basiclite-21.11.0.0.0-1.el8.x86_64.rpm
           sudo apt install alien libaio1
           sudo alien -i oracle-client.rpm
           sudo sh -c  'echo /usr/lib/oracle/21/client64/lib/ > /etc/ld.so.conf.d/oracle.conf'

django_enum/tests/edit_tests/models.py

@@ -1,21 +0,0 @@
-from django.db import models
-from django_enum import EnumField, TextChoices
-from enum_properties import s
-
-
-class MigrationTester(models.Model):
-
-    class IntEnum(models.IntegerChoices):
-        ONE = 0, 'One'
-        TWO = 1, 'Two',
-        THREE = 2, 'Three'
-
-    class Color(TextChoices, s('rgb'), s('hex', case_fold=True)):
-
-        RED = 'R', 'Red', (1, 0, 0), 'ff0000'
-        GREEN = 'G', 'Green', (0, 1, 0), '00ff00'
-        BLUE = 'B', 'Blue', (0, 0, 1), '0000ff'
-        BLACK = 'K', 'Black', (0, 0, 0), '000000'
-
-    int_enum = EnumField(IntEnum)
-    color = EnumField(Color)