fix: Replaced deprecated `unittest method` with the correct one (#32198)

Replaced deprecated unittest method with the correct one.

tests/models/llava/test_processor_llava.py

@@ -44,4 +44,4 @@ class LlavaProcessorTest(unittest.TestCase):
         ]
 
         formatted_prompt = processor.apply_chat_template(messages, add_generation_prompt=True)
-        self.assertEquals(expected_prompt, formatted_prompt)
+        self.assertEqual(expected_prompt, formatted_prompt)

tests/models/llava_next/test_processor_llava_next.py

@@ -38,4 +38,4 @@ class LlavaProcessorTest(unittest.TestCase):
         ]
 
         formatted_prompt = processor.apply_chat_template(messages, add_generation_prompt=True)
-        self.assertEquals(expected_prompt, formatted_prompt)
+        self.assertEqual(expected_prompt, formatted_prompt)

tests/models/vipllava/test_processor_vipllava.py

@@ -38,4 +38,4 @@ class LlavaProcessorTest(unittest.TestCase):
         ]
 
         formatted_prompt = processor.apply_chat_template(messages, add_generation_prompt=True)
-        self.assertEquals(expected_prompt, formatted_prompt)
+        self.assertEqual(expected_prompt, formatted_prompt)