bugfix: import existing replication groups

[y3ti]

what

Ignore security_group_names for aws_elasticache_replication_group resource.

why

There is a bug in the terraform aws provider: https://github.com/hashicorp/terraform-provider-aws/issues/32835 When importing an aws_elasticache_replication_group resource the attribute security_group_names is imported as null.

The security_group_names attribute is not used by this module.

references

• https://github.com/cloudposse/terraform-aws-elasticache-redis/issues/207
• https://github.com/hashicorp/terraform-provider-aws/issues/32835

[milldr]

/terratest