diff --git a/tests/conftest.py b/tests/conftest.py
index 80e69b1f..a458299e 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -440,8 +440,7 @@ def __init__(self, driver, base_address_list):
         self.product_id = {
             "vendor": "accelize.com",
             "library": "refdesign",
-            "name": "drm_%dactivator" % len(base_address_list),
-            "sign": ""
+            "name": "drm_%dactivator" % len(base_address_list)
         }
 
     def __getitem__(self, index):
diff --git a/tests/test_hdk_compatibility.py b/tests/test_hdk_compatibility.py
index e5ea882f..bf88a37d 100644
--- a/tests/test_hdk_compatibility.py
+++ b/tests/test_hdk_compatibility.py
@@ -187,11 +187,10 @@ def test_ctrl_version_match_mailbox_version(accelize_drm, conf_json, cred_json,
         ) as drm_manager:
         ctrl_version_str = drm_manager.get('controller_version')
         ctrl_rom = drm_manager.get('controller_rom')
-    ctrl_version_match = match(r'(\d+)\.(\d+)\.(\d+)\.\d+', ctrl_version_str)
+    ctrl_version_match = match(r'(\d+)\.(\d+)\.(\d+)', ctrl_version_str)
     rom_version_match = match(r'(\d+)\.(\d+)\.(\d+)\.\d+', ctrl_rom['extra']['lgdn_full_version'])
     ctrl_version = ''.join(map(lambda x: '%02X' % int(x,16), rom_version_match.groups()))
     rom_version = ''.join(map(lambda x: '%02X' % int(x,16), rom_version_match.groups()))
     assert rom_version == ctrl_version
     async_cb.assert_NoError()
 
-
diff --git a/tests/test_parameters.py b/tests/test_parameters.py
index 0336c56b..7af41665 100644
--- a/tests/test_parameters.py
+++ b/tests/test_parameters.py
@@ -1210,7 +1210,7 @@ def test_parameter_key_modification_with_get_set(accelize_drm, conf_json, cred_j
             drm_manager.set(is_drm_software=True)
         async_cb.assert_Error(accelize_drm.exceptions.DRMBadArg.error_code," cannot be overwritten")
         async_cb.reset()
-        assert drm_manager.get('is_drm_software') == ref_timeout
+        assert drm_manager.get('is_drm_software') == accelize_drm.is_ctrl_sw
         async_cb.assert_NoError()
         print("Test parameter 'is_drm_software': PASS")
 
@@ -1219,7 +1219,7 @@ def test_parameter_key_modification_with_get_set(accelize_drm, conf_json, cred_j
             drm_manager.set(controller_version=1)
         async_cb.assert_Error(accelize_drm.exceptions.DRMBadArg.error_code," cannot be overwritten")
         async_cb.reset()
-        assert match(r'00[0-9A-F]{6}', str(drm_manager.get('controller_version')).upper())
+        assert match(r'\d+\.\d+\.\d+', drm_manager.get('controller_version'))
         async_cb.assert_NoError()
         print("Test parameter 'controller_version': PASS")
 
@@ -1228,12 +1228,12 @@ def test_parameter_key_modification_with_get_set(accelize_drm, conf_json, cred_j
             drm_manager.set(controller_rom="{}")
         async_cb.assert_Error(accelize_drm.exceptions.DRMBadArg.error_code," cannot be overwritten")
         async_cb.reset()
-        rom = loads(drm_manager.get('controller_rom'))
+        rom = drm_manager.get('controller_rom')
         assert rom
         assert rom.get('extra')
         assert rom.get('product_id')
         assert rom.get('pkg_version')
-        assert rom.get('drm_software')
+        assert rom.get('drm_software') == accelize_drm.is_ctrl_sw
         async_cb.assert_NoError()
         print("Test parameter 'controller_version': PASS")