diff --git a/Makefile b/Makefile
index cb143dc..6dd6c67 100644
--- a/Makefile
+++ b/Makefile
@@ -17,4 +17,4 @@ style:
 	isort -rc $(CHECK_DIRS)
 
 test:
-	@${PYTHON} -m pytest -n auto --dist=loadfile -s -v ./tests/
+	@${PYTHON} -m pytest -n 1 --dist=loadfile -s -v ./tests/
diff --git a/experiments/benchmarks/benchmark_e2e.py b/experiments/benchmarks/benchmark_e2e.py
index 0df0308..dcfd7e5 100644
--- a/experiments/benchmarks/benchmark_e2e.py
+++ b/experiments/benchmarks/benchmark_e2e.py
@@ -2,18 +2,11 @@
 # Licensed under The MIT License [see LICENSE for details]
 
 import argparse
-import sys
 import time
 from collections import defaultdict
 
 import torch
-from transformers import (
-    AutoConfig,
-    AutoModelForCausalLM,
-    AutoTokenizer,
-    GenerationConfig,
-    LlamaForCausalLM,
-)
+from transformers import AutoModelForCausalLM, AutoTokenizer, GenerationConfig
 
 from minference import MInference
 
@@ -108,6 +101,7 @@ def run_benchmark(model_name: str):
             "hf",
             "streaming",
             "minference",
+            "minference_with_dense",
             "inf_llm",
         ],
     )
diff --git a/tests/test_e2e.py b/tests/test_e2e.py
new file mode 100644
index 0000000..29ea242
--- /dev/null
+++ b/tests/test_e2e.py
@@ -0,0 +1,70 @@
+# Copyright (c) 2024 Microsoft
+# Licensed under The MIT License [see LICENSE for details]
+
+import unittest
+
+import torch
+from transformers import AutoModelForCausalLM, AutoTokenizer, GenerationConfig
+
+from minference import MInference
+
+
+class MInferenceE2ETester(unittest.TestCase):
+    """
+    End2end Test for MInference
+    """
+
+    def __init__(self, *args, **kwargs):
+        super(MInferenceE2ETester, self).__init__(*args, **kwargs)
+
+        # paramaters
+        model_name = "gradientai/Llama-3-8B-Instruct-262k"
+        trust_remote_code = False
+        attn_type = "minference"
+        kv_cache_cpu = True
+        self.attn_type = attn_type
+
+        # init model and tokenizer
+        self.tokenizer = AutoTokenizer.from_pretrained(
+            model_name, trust_remote_code=trust_remote_code
+        )
+
+        model = AutoModelForCausalLM.from_pretrained(
+            model_name,
+            torch_dtype="auto",
+            device_map="auto",
+            trust_remote_code=trust_remote_code,
+        )
+        attn_kwargs = {}
+        minference_patch = MInference(
+            attn_type,
+            model_name,
+            kv_cache_cpu=kv_cache_cpu,
+            attn_kwargs=attn_kwargs,
+        )
+        self.model = minference_patch.patch_model(model)
+
+        self.prompt_complex = open("./prompt_hardest.txt").read()
+
+    def test_general_minference(self):
+        def test_different_context_windows(seq_len: int):
+            input_ids = self.tokenizer(self.prompt_complex)["input_ids"]
+            n = len(input_ids)
+            b = seq_len // n + 1
+
+            new_input_ids = (input_ids * b)[:seq_len]
+            prompt = self.tokenizer.decode(new_input_ids)
+            data = self.tokenizer(prompt, return_tensors="pt")
+            input_ids = data["input_ids"].cuda()
+            attention_mask = data["attention_mask"].cuda()
+
+            with torch.no_grad():
+                if self.attn_type != "inf_llm":
+                    self.model(input_ids, attention_mask, use_cache=False)
+                else:
+                    self.model.generate(
+                        input_ids, generation_config=GenerationConfig(max_new_tokens=1)
+                    )
+
+        test_different_context_windows(100000)
+        test_different_context_windows(1000000)