VAULT-14847 Skip cetain tests on ARM (#20990)

physical/dynamodb/dynamodb_test.go

@@ -10,6 +10,8 @@ import (
 	"net/http"
 	"net/url"
 	"os"
+	"runtime"
+	"strings"
 	"testing"
 	"time"
 
@@ -373,6 +375,11 @@ type Config struct {
 var _ docker.ServiceConfig = &Config{}
 
 func prepareDynamoDBTestContainer(t *testing.T) (func(), *Config) {
+	// Skipping on ARM, as this image can't run on ARM architecture
+	if strings.Contains(runtime.GOARCH, "arm") {
+		t.Skip("Skipping, as this image is not supported on ARM architectures")
+	}
+
 	// If environment variable is set, assume caller wants to target a real
 	// DynamoDB.
 	if endpoint := os.Getenv("AWS_DYNAMODB_ENDPOINT"); endpoint != "" {