diff --git a/manila_tempest_tests/tests/api/admin/test_share_types.py b/manila_tempest_tests/tests/api/admin/test_share_types.py
index abdb4ba..d23171a 100644
--- a/manila_tempest_tests/tests/api/admin/test_share_types.py
+++ b/manila_tempest_tests/tests/api/admin/test_share_types.py
@@ -114,14 +114,14 @@
     @decorators.idempotent_id('a9af19e1-e789-4c4f-a39b-dd8df6ed00b1')
     @tc.attr(base.TAG_POSITIVE, base.TAG_API)
     @ddt.named_data(
-        ('2.50_name_description_public', '2.50',
+        ('2_50_name_description_public', '2.50',
          data_utils.rand_name("type_updated"), 'description_updated', True),
-        ('2.50_name', '2.50', data_utils.rand_name("type_updated"), None,
+        ('2_50_name', '2.50', data_utils.rand_name("type_updated"), None,
          None),
-        ('2.50_description_public', '2.50', None, 'description_updated',
+        ('2_50_description_public', '2.50', None, 'description_updated',
          None),
-        ('2.50_public', '2.50', None, None, True),
-        ('2.50', '2.50', None, None, False),
+        ('2_50_public', '2.50', None, None, True),
+        ('2_50', '2.50', None, None, False),
         (f'{LATEST_MICROVERSION}_name_description_public',
          LATEST_MICROVERSION, data_utils.rand_name("type_updated"),
          'description_updated', True),
diff --git a/manila_tempest_tests/tests/api/test_share_types_negative.py b/manila_tempest_tests/tests/api/test_share_types_negative.py
index 3b930f9..af4815f 100644
--- a/manila_tempest_tests/tests/api/test_share_types_negative.py
+++ b/manila_tempest_tests/tests/api/test_share_types_negative.py
@@ -84,12 +84,12 @@
     @decorators.idempotent_id('4a22945c-8988-43a1-88c9-eb86e6abcd8e')
     @tc.attr(base.TAG_NEGATIVE, base.TAG_API)
     @ddt.named_data(
-        ('2.50', '2.50', '', None, None),
+        ('2_50', '2.50', '', None, None),
         (LATEST_MICROVERSION, LATEST_MICROVERSION, '', None, None),
-        ('2.50_bad_public', '2.50', None, None, 'not_bool'),
+        ('2_50_bad_public', '2.50', None, None, 'not_bool'),
         (f'{LATEST_MICROVERSION}_bad_public', LATEST_MICROVERSION, None, None,
          'not_bool'),
-        ('2.50_description', '2.50', None, generate_long_description(256),
+        ('2_50_description', '2.50', None, generate_long_description(256),
          None),
         (f'{LATEST_MICROVERSION}_description', LATEST_MICROVERSION, None,
          generate_long_description(256), None),