Test results download in the dashboard fails
**Description:**
Test results download in the dashboard fails though results exist in S3.


diff --git a/common/src/main/java/org/wso2/testgrid/common/plugins/AWSArtifactReader.java b/common/src/main/java/org/wso2/testgrid/common/plugins/AWSArtifactReader.java
index 5eb25ee4..e9e2c698 100644
--- a/common/src/main/java/org/wso2/testgrid/common/plugins/AWSArtifactReader.java
+++ b/common/src/main/java/org/wso2/testgrid/common/plugins/AWSArtifactReader.java
@@ -104,6 +104,7 @@ public class AWSArtifactReader implements ArtifactReadable {
 
     @Override
     public Boolean isArtifactExist(String key) {
-        return amazonS3.doesObjectExist(bucketName, key);
+        return amazonS3.doesObjectExist(bucketName, key) ||
+                amazonS3.listObjectsV2(bucketName, key).getKeyCount() > 0;
     }
 }
['common/src/main/java/org/wso2/testgrid/common/plugins/AWSArtifactReader.java']