fix unit test

Author: wangzlei

CHANGELOG.md

@@ -11,6 +11,8 @@ For any change that affects end users of this package, please add an entry under
 If your change does not need a CHANGELOG entry, add the "skip changelog" label to your PR.
 
 ## Unreleased
+- Disable django instrumentation if DJANGO_SETTINGS_MODULE is not set
+  ([#549](https://github.com/aws-observability/aws-otel-python-instrumentation/pull/549))
 - Add Service and Environment dimensions to EMF metrics when Application Signals EMF export is enabled
   ([#548](https://github.com/aws-observability/aws-otel-python-instrumentation/pull/548))
 - Add Resource and CFN Attributes for Bedrock AgentCore spans

aws-opentelemetry-distro/tests/amazon/opentelemetry/distro/test_aws_opentelemetry_distro.py

@@ -101,14 +101,21 @@ def test_configure_without_patches(self, mock_super_configure, mock_apply_patche
 
     @patch("amazon.opentelemetry.distro.aws_opentelemetry_distro.get_aws_region")
     @patch("amazon.opentelemetry.distro.aws_opentelemetry_distro.is_agent_observability_enabled")
+    @patch("amazon.opentelemetry.distro.aws_opentelemetry_distro.is_installed")
     @patch("amazon.opentelemetry.distro.aws_opentelemetry_distro.apply_instrumentation_patches")
     @patch("amazon.opentelemetry.distro.aws_opentelemetry_distro.OpenTelemetryDistro._configure")
     def test_configure_with_agent_observability_enabled(
-        self, mock_super_configure, mock_apply_patches, mock_is_agent_observability, mock_get_aws_region
+        self,
+        mock_super_configure,
+        mock_apply_patches,
+        mock_is_installed,
+        mock_is_agent_observability,
+        mock_get_aws_region,
     ):
         """Test that _configure sets agent observability defaults when enabled"""
         mock_is_agent_observability.return_value = True
         mock_get_aws_region.return_value = "us-west-2"
+        mock_is_installed.return_value = False  # Mock Django as not installed to avoid interference
 
         distro = AwsOpenTelemetryDistro()
         distro._configure()