diff --git a/aws-observability/templates/test/TestTemplate.yaml b/aws-observability/templates/test/TestTemplate.yaml
index b5952444..e806a6b0 100644
--- a/aws-observability/templates/test/TestTemplate.yaml
+++ b/aws-observability/templates/test/TestTemplate.yaml
@@ -218,7 +218,7 @@ Tests:
             CreateELBS3Bucket: 'Yes'
             ELBS3LogsBucketName: ""
             ELBS3BucketPathExpression: 'classicloadbalancing/AWSLogs/'
-            ELBLogsSourceName: "elb-logs-ap-south-1"
+            ELBLogsSourceName: "classic-lb-logs-ap-south-1"
             ELBLogsSourceCategory: "aws/observability/clb/logs"
             CreateCloudTrailLogSource: 'Yes'
             CreateCloudTrailBucket: 'Yes'
@@ -527,7 +527,7 @@ Tests:
             CreateELBS3Bucket: 'Yes'
             ELBS3LogsBucketName: ""
             ELBS3BucketPathExpression: 'classicloadbalancing/AWSLogs'
-            ELBLogsSourceName: "elb-logs-ap-south-1"
+            ELBLogsSourceName: "classic-lb-logs-ap-south-1"
             ELBLogsSourceCategory: "aws/observability/clb/logs"
             CreateCloudTrailLogSource: 'Yes'
             CreateCloudTrailBucket: 'Yes'
@@ -836,7 +836,7 @@ Tests:
             CreateELBS3Bucket: 'Yes'
             ELBS3LogsBucketName: ""
             ELBS3BucketPathExpression: 'classicloadbalancing/AWSLogs/'
-            ELBLogsSourceName: "elb-logs-ap-south-1"
+            ELBLogsSourceName: "classic-lb-logs-ap-south-1"
             ELBLogsSourceCategory: "aws/observability/clb/logs"
             CreateCloudTrailLogSource: 'Yes'
             CreateCloudTrailBucket: 'Yes'
@@ -1039,7 +1039,7 @@ Tests:
             CreateELBS3Bucket: 'No'
             ELBS3LogsBucketName: ""
             ELBS3BucketPathExpression: ''
-            ELBLogsSourceName: "elb-logs-us-east-1"
+            ELBLogsSourceName: "classic-lb-logs-us-east-1"
             ELBLogsSourceCategory: "aws/observability/clb/logs"
             CreateCloudTrailLogSource: 'No'
             CreateCloudTrailBucket: 'No'
@@ -1279,7 +1279,7 @@ Tests:
             CreateELBS3Bucket: 'Yes'
             ELBS3LogsBucketName: ""
             ELBS3BucketPathExpression: 'classicloadbalancing/AWSLogs/'
-            ELBLogsSourceName: "elb-logs-us-east-2"
+            ELBLogsSourceName: "classic-lb-logs-us-east-2"
             ELBLogsSourceCategory: "aws/observability/clb/logs"
             CreateCloudTrailLogSource: 'No'
             CreateCloudTrailBucket: 'No'
@@ -1537,7 +1537,7 @@ Tests:
             CreateELBS3Bucket: 'No'
             ELBS3LogsBucketName: ""
             ELBS3BucketPathExpression: ''
-            ELBLogsSourceName: "elb-logs-ap-south-1"
+            ELBLogsSourceName: "classic-lb-logs-ap-south-1"
             ELBLogsSourceCategory: "aws/observability/clb/logs"
             CreateCloudTrailLogSource: 'Yes'
             CreateCloudTrailBucket: 'Yes'
@@ -1965,7 +1965,7 @@ Tests:
             CreateELBS3Bucket: 'No'
             ELBS3LogsBucketName: "cf-templates-1qpf3unpuo1hw-us-east-1-alekh"
             ELBS3BucketPathExpression: 'elblogs/AWSLogs/'
-            ELBLogsSourceName: "elb-logs-us-east-1"
+            ELBLogsSourceName: "classic-lb-logs-us-east-1"
             ELBLogsSourceCategory: "aws/observability/clb/logs"
             CreateCloudTrailLogSource: 'Yes'
             CreateCloudTrailBucket: 'Yes'
@@ -2183,7 +2183,7 @@ Tests:
             CreateELBS3Bucket: 'Yes'
             ELBS3LogsBucketName: ""
             ELBS3BucketPathExpression: 'classicloadbalancing/AWSLogs/'
-            ELBLogsSourceName: "elb-logs-us-east-1"
+            ELBLogsSourceName: "classic-lb-logs-us-east-1"
             ELBLogsSourceCategory: "aws/observability/clb/logs"
             CreateCloudTrailLogSource: 'Yes'
             CreateCloudTrailBucket: 'No'
@@ -2646,7 +2646,7 @@ Tests:
             CreateELBS3Bucket: 'No'
             ELBS3LogsBucketName: ""
             ELBS3BucketPathExpression: ''
-            ELBLogsSourceName: "elb-logs-ap-south-1"
+            ELBLogsSourceName: "classic-lb-logs-ap-south-1"
             ELBLogsSourceCategory: "aws/observability/clb/logs"
             CreateCloudTrailLogSource: 'No'
             CreateCloudTrailBucket: 'No'
@@ -2916,7 +2916,7 @@ Tests:
             CreateELBS3Bucket: 'No'
             ELBS3LogsBucketName: ""
             ELBS3BucketPathExpression: ''
-            ELBLogsSourceName: "elb-logs-ap-south-1"
+            ELBLogsSourceName: "classic-lb-logs-ap-south-1"
             ELBLogsSourceCategory: "aws/observability/clb/logs"
             CreateCloudTrailLogSource: 'Yes'
             CreateCloudTrailBucket: 'No'
@@ -3215,7 +3215,7 @@ Tests:
             CreateELBS3Bucket: 'Yes'
             ELBS3LogsBucketName: ""
             ELBS3BucketPathExpression: '/elasticloadbalancing/ap-south-1/*'
-            ELBLogsSourceName: "elb-logs-ap-south-1"
+            ELBLogsSourceName: "classic-lb-logs-ap-south-1"
             ELBLogsSourceCategory: "aws/observability/clb/logs"
             CreateCloudTrailLogSource: 'Yes'
             CreateCloudTrailBucket: 'Yes'