r/aws_sns_topic: Add support of prefixes

[ColinHebert]

No description provided.

[bflad]

@ColinHebert thanks so much for this enhancement! Sorry it took so long to get reviewed. This PR looks great and thanks for including the additional acceptance test. I'll actually be including an additional one to make sure the generated name bits are okay (which they are 😄 ).

make testacc TEST=./aws TESTARGS='-run=TestAccAWSSNSTopic_'
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./aws -v -run=TestAccAWSSNSTopic_ -timeout 120m
=== RUN   TestAccAWSSNSTopic_importBasic
--- PASS: TestAccAWSSNSTopic_importBasic (11.68s)
=== RUN   TestAccAWSSNSTopic_basic
--- PASS: TestAccAWSSNSTopic_basic (9.02s)
=== RUN   TestAccAWSSNSTopic_name
--- PASS: TestAccAWSSNSTopic_name (10.67s)
=== RUN   TestAccAWSSNSTopic_namePrefix
--- PASS: TestAccAWSSNSTopic_namePrefix (9.51s)
=== RUN   TestAccAWSSNSTopic_policy
--- PASS: TestAccAWSSNSTopic_policy (10.46s)
=== RUN   TestAccAWSSNSTopic_withIAMRole
--- PASS: TestAccAWSSNSTopic_withIAMRole (29.56s)
=== RUN   TestAccAWSSNSTopic_withFakeIAMRole
--- PASS: TestAccAWSSNSTopic_withFakeIAMRole (66.70s)
=== RUN   TestAccAWSSNSTopic_withDeliveryPolicy
--- PASS: TestAccAWSSNSTopic_withDeliveryPolicy (10.03s)
PASS
ok  	github.com/terraform-providers/terraform-provider-aws/aws	157.691s

[bflad]

This has been released in terraform-provider-aws version 1.9.0. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

[ghost]

I'm going to lock this issue because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.

If you feel this issue should be reopened, we encourage creating a new issue linking back to this one for added context. Thanks!