diff --git a/metadata-ingestion/tests/unit/test_aws_common.py b/metadata-ingestion/tests/unit/test_aws_common.py
index 9291fb9113..dd1f06cf9b 100644
--- a/metadata-ingestion/tests/unit/test_aws_common.py
+++ b/metadata-ingestion/tests/unit/test_aws_common.py
@@ -17,6 +17,14 @@ from datahub.ingestion.source.aws.aws_common import (
 )
 
 
+@pytest.fixture
+def mock_disable_ec2_metadata():
+    """Disable EC2 metadata detection"""
+    with patch("requests.put") as mock_put:
+        mock_put.return_value.status_code = 404
+        yield mock_put
+
+
 @pytest.fixture
 def mock_aws_config():
     return AwsConnectionConfig(
@@ -27,17 +35,19 @@ def mock_aws_config():
 
 
 class TestAwsCommon:
-    def test_environment_detection_no_environment(self):
+    def test_environment_detection_no_environment(self, mock_disable_ec2_metadata):
         """Test environment detection when no AWS environment is present"""
         with patch.dict(os.environ, {}, clear=True):
             assert detect_aws_environment() == AwsEnvironment.UNKNOWN
 
-    def test_environment_detection_lambda(self):
+    def test_environment_detection_lambda(self, mock_disable_ec2_metadata):
         """Test Lambda environment detection"""
         with patch.dict(os.environ, {"AWS_LAMBDA_FUNCTION_NAME": "test-function"}):
             assert detect_aws_environment() == AwsEnvironment.LAMBDA
 
-    def test_environment_detection_lambda_cloudformation(self):
+    def test_environment_detection_lambda_cloudformation(
+        self, mock_disable_ec2_metadata
+    ):
         """Test CloudFormation Lambda environment detection"""
         with patch.dict(
             os.environ,
@@ -48,7 +58,7 @@ class TestAwsCommon:
         ):
             assert detect_aws_environment() == AwsEnvironment.CLOUD_FORMATION
 
-    def test_environment_detection_eks(self):
+    def test_environment_detection_eks(self, mock_disable_ec2_metadata):
         """Test EKS environment detection"""
         with patch.dict(
             os.environ,
@@ -59,19 +69,19 @@ class TestAwsCommon:
         ):
             assert detect_aws_environment() == AwsEnvironment.EKS
 
-    def test_environment_detection_app_runner(self):
+    def test_environment_detection_app_runner(self, mock_disable_ec2_metadata):
         """Test App Runner environment detection"""
         with patch.dict(os.environ, {"AWS_APP_RUNNER_SERVICE_ID": "service-id"}):
             assert detect_aws_environment() == AwsEnvironment.APP_RUNNER
 
-    def test_environment_detection_ecs(self):
+    def test_environment_detection_ecs(self, mock_disable_ec2_metadata):
         """Test ECS environment detection"""
         with patch.dict(
             os.environ, {"ECS_CONTAINER_METADATA_URI_V4": "http://169.254.170.2/v4"}
         ):
             assert detect_aws_environment() == AwsEnvironment.ECS
 
-    def test_environment_detection_beanstalk(self):
+    def test_environment_detection_beanstalk(self, mock_disable_ec2_metadata):
         """Test Elastic Beanstalk environment detection"""
         with patch.dict(os.environ, {"ELASTIC_BEANSTALK_ENVIRONMENT_NAME": "my-env"}):
             assert detect_aws_environment() == AwsEnvironment.BEANSTALK
@@ -103,6 +113,7 @@ class TestAwsCommon:
     @patch("requests.put")
     def test_is_running_on_ec2(self, mock_put, mock_get):
         """Test EC2 instance detection with IMDSv2"""
+        # Explicitly mock EC2 metadata responses
         mock_put.return_value.status_code = 200
         mock_put.return_value.text = "token123"
         mock_get.return_value.status_code = 200
@@ -322,7 +333,9 @@ class TestAwsCommon:
             ),
         ],
     )
-    def test_environment_detection_parametrized(self, env_vars, expected_environment):
+    def test_environment_detection_parametrized(
+        self, mock_disable_ec2_metadata, env_vars, expected_environment
+    ):
         """Parametrized test for environment detection with different configurations"""
         with patch.dict(os.environ, env_vars, clear=True):
             assert detect_aws_environment() == expected_environment