Switch 3.X branch to 3.11 for upgrade_tests
@@ -75,7 +75,7 @@ current_2_2_x = VersionMeta(name='current_2_2_x', family='2.2.x', variant='curre
indev_3_0_x = VersionMeta(name='indev_3_0_x', family='3.0.x', variant='indev', version='github:apache/cassandra-3.0', min_proto_v=3, max_proto_v=4, java_versions=(8,))
current_3_0_x = VersionMeta(name='current_3_0_x', family='3.0.x', variant='current', version='3.0.9', min_proto_v=3, max_proto_v=4, java_versions=(8,))
-indev_3_x = VersionMeta(name='indev_3_x', family='3.x', variant='indev', version='github:apache/cassandra-3.X', min_proto_v=3, max_proto_v=4, java_versions=(8,))
+indev_3_x = VersionMeta(name='indev_3_x', family='3.x', variant='indev', version='github:apache/cassandra-3.11', min_proto_v=3, max_proto_v=4, java_versions=(8,))
current_3_x = VersionMeta(name='current_3_x', family='3.x', variant='current', version='3.9', min_proto_v=3, max_proto_v=4, java_versions=(8,))
indev_trunk = VersionMeta(name='indev_trunk', family='trunk', variant='indev', version='github:apache/trunk', min_proto_v=3, max_proto_v=4, java_versions=(8,))
