[COMPLIANCE] Add Copyright and License Headers (hashicorp#1918)

hashicorp-copywrite[bot] · web-flow · commit 088e29d91279 · 2023-06-26T12:04:12.000-05:00
Co-authored-by: hashicorp-copywrite[bot] &lt;110428419+hashicorp-copywrite[bot]@users.noreply.github.com&gt;
diff --git a/testdata/cassandra.yaml b/testdata/cassandra.yaml
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 # Cassandra storage config YAML
 
 # NOTE:
diff --git a/vault/data_source_aws_static_credentials.go b/vault/data_source_aws_static_credentials.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package vault
 
 import (
diff --git a/vault/data_source_aws_static_credentials_test.go b/vault/data_source_aws_static_credentials_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package vault
 
 import (
diff --git a/vault/resource_aws_secret_backend_static_role_test.go b/vault/resource_aws_secret_backend_static_role_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package vault
 
 import (
