diff --git a/internal/service/meta/region_data_source_test.go b/internal/service/meta/region_data_source_test.go
index a3a38d94e614..70527e1a15b7 100644
--- a/internal/service/meta/region_data_source_test.go
+++ b/internal/service/meta/region_data_source_test.go
@@ -15,7 +15,7 @@ import (
 	"github.com/hashicorp/terraform-provider-aws/names"
 )
 
-func TestAccMetaRegionDataSource_FindRegionByEndpoint(t *testing.T) {
+func TestAccMetaRegionDataSource_FindRegionByEC2Endpoint(t *testing.T) {
 	t.Parallel()
 
 	ctx := acctest.Context(t)
diff --git a/internal/service/meta/service_principal_data_source_test.go b/internal/service/meta/service_principal_data_source_test.go
index b8431f54845c..a245e9b15352 100644
--- a/internal/service/meta/service_principal_data_source_test.go
+++ b/internal/service/meta/service_principal_data_source_test.go
@@ -63,7 +63,7 @@ func TestAccMetaServicePrincipal_ByRegion(t *testing.T) {
 		t.Run(region, func(t *testing.T) {
 			t.Parallel()
 			resource.Test(t, resource.TestCase{
-				PreCheck:                 func() { acctest.PreCheck(ctx, t) },
+				PreCheck:                 func() { acctest.PreCheck(ctx, t); acctest.PreCheckPartition(t, names.PartitionForRegion(region)) },
 				ErrorCheck:               acctest.ErrorCheck(t, tfmeta.PseudoServiceID),
 				ProtoV5ProviderFactories: acctest.ProtoV5ProviderFactories,
 				Steps: []resource.TestStep{
@@ -135,7 +135,10 @@ func TestAccMetaServicePrincipal_UniqueForServiceInRegion(t *testing.T) {
 		t.Run(fmt.Sprintf("%s/%s", testCase.Region, testCase.Service), func(t *testing.T) {
 			t.Parallel()
 			resource.Test(t, resource.TestCase{
-				PreCheck:                 func() { acctest.PreCheck(ctx, t) },
+				PreCheck: func() {
+					acctest.PreCheck(ctx, t)
+					acctest.PreCheckPartition(t, names.PartitionForRegion(testCase.Region))
+				},
 				ErrorCheck:               acctest.ErrorCheck(t, tfmeta.PseudoServiceID),
 				ProtoV5ProviderFactories: acctest.ProtoV5ProviderFactories,
 				Steps: []resource.TestStep{