diff --git a/internal/snippets/BUILD.bazel b/internal/snippets/BUILD.bazel
index 853a4ca24..74a5c7c06 100644
--- a/internal/snippets/BUILD.bazel
+++ b/internal/snippets/BUILD.bazel
@@ -19,6 +19,7 @@ go_test(
     embed = [":snippets"],
     deps = [
         "//internal/snippets/metadata",
+        "//internal/testing/sample",
         "@com_github_google_go_cmp//cmp",
         "@org_golang_google_protobuf//proto",
     ],
diff --git a/internal/snippets/snippets_test.go b/internal/snippets/snippets_test.go
index 4d2242703..3f3986623 100644
--- a/internal/snippets/snippets_test.go
+++ b/internal/snippets/snippets_test.go
@@ -19,42 +19,37 @@ import (
 
 	"github.com/google/go-cmp/cmp"
 	"github.com/googleapis/gapic-generator-go/internal/snippets/metadata"
+	"github.com/googleapis/gapic-generator-go/internal/testing/sample"
 	"google.golang.org/protobuf/proto"
 )
 
-var protoPkg = "google.cloud.bigquery.migration.v2"
-var libPkg = "cloud.google.com/go/bigquery/migration/apiv2"
-var defaultHost = "bigquerymigration.googleapis.com"
-var version = "v2"
-var pkgName = "migration"
-
 func TestNewMetadata(t *testing.T) {
-	sm := NewMetadata(protoPkg, libPkg, pkgName)
+	sm := NewMetadata(sample.ProtoPackagePath, sample.GoPackagePath, sample.GoPackageName)
 
-	if sm.protoPkg != protoPkg {
-		t.Errorf("%s: got %s want %s,", t.Name(), sm.protoPkg, protoPkg)
+	if sm.protoPkg != sample.ProtoPackagePath {
+		t.Errorf("%s: got %s want %s,", t.Name(), sm.protoPkg, sample.ProtoPackagePath)
 	}
-	if sm.libPkg != libPkg {
-		t.Errorf("%s: got %s want %s", t.Name(), sm.libPkg, libPkg)
+	if sm.libPkg != sample.GoPackagePath {
+		t.Errorf("%s: got %s want %s", t.Name(), sm.libPkg, sample.GoPackagePath)
 	}
 	if got := len(sm.protoServices); got != 0 {
 		t.Errorf("%s: got %d want empty", t.Name(), len(sm.protoServices))
 	}
-	if sm.apiVersion != version {
-		t.Errorf("%s: got %s want %s", t.Name(), sm.apiVersion, version)
+	if sm.apiVersion != sample.ProtoVersion {
+		t.Errorf("%s: got %s want %s", t.Name(), sm.apiVersion, sample.ProtoVersion)
 	}
 }
 
 func TestToMetadataJSON(t *testing.T) {
 	// Build fixture
-	sm := NewMetadata(protoPkg, libPkg, pkgName)
+	sm := NewMetadata(sample.ProtoPackagePath, sample.GoPackagePath, sample.GoPackageName)
 	regionTagStart := 18
 	regionTagEnd := 50
 	for i := 0; i < 2; i++ {
 		serviceName := fmt.Sprintf("Foo%dService", i)
 		methodName := fmt.Sprintf("Bar%dMethod", i)
-		sm.AddService(serviceName, defaultHost)
-		sm.AddMethod(serviceName, methodName, protoPkg, serviceName, regionTagEnd)
+		sm.AddService(serviceName, sample.ServiceURL)
+		sm.AddMethod(serviceName, methodName, sample.ProtoPackagePath, serviceName, regionTagEnd)
 		sm.UpdateMethodDoc(serviceName, methodName, methodName+" doc\n New line.")
 		sm.UpdateMethodResult(serviceName, methodName, "mypackage."+methodName+"Result")
 		sm.AddParams(serviceName, methodName, "mypackage."+methodName+"Request")
@@ -63,12 +58,12 @@ func TestToMetadataJSON(t *testing.T) {
 	// Build expectation
 	want := &metadata.Index{
 		ClientLibrary: &metadata.ClientLibrary{
-			Name:     libPkg,
+			Name:     sample.GoPackagePath,
 			Version:  VersionPlaceholder,
 			Language: metadata.Language_GO,
 			Apis: []*metadata.Api{
 				{
-					Id:      protoPkg,
+					Id:      sample.ProtoPackagePath,
 					Version: "v2",
 				},
 			},
@@ -142,15 +137,11 @@ func TestToMetadataJSON(t *testing.T) {
 }
 
 func TestRegionTag(t *testing.T) {
-	protoPkg := "google.cloud.bigquery.migration.v2"
 	libPkg := "google.golang.org/genproto/googleapis/cloud/bigquery/migration/v2"
-	sm := NewMetadata(protoPkg, libPkg, pkgName)
-	serviceName := "MigrationService"
-	defaultHost := "bigquerymigration.googleapis.com"
-	sm.AddService(serviceName, defaultHost)
-	methodName := "GetMigrationWorkflow"
+	sm := NewMetadata(sample.ProtoPackagePath, libPkg, sample.GoPackagePath)
+	sm.AddService(sample.ServiceName, sample.ServiceURL)
 	want := "bigquerymigration_v2_generated_MigrationService_GetMigrationWorkflow_sync"
-	if got := sm.RegionTag(serviceName, methodName); got != want {
+	if got := sm.RegionTag(sample.ServiceName, sample.GetMethod); got != want {
 		t.Errorf("%s: got %s want %s", t.Name(), got, want)
 	}
 }
diff --git a/internal/testing/sample/sample.go b/internal/testing/sample/sample.go
index 84290d387..f14514361 100644
--- a/internal/testing/sample/sample.go
+++ b/internal/testing/sample/sample.go
@@ -92,6 +92,9 @@ const (
 	// Example:
 	// https://github.com/googleapis/googleapis/blob/f7df662a24c56ecaab79cb7d808fed4d2bb4981d/google/cloud/bigquery/migration/v2/migration_service.proto#L17
 	ProtoPackagePath = "google.cloud.bigquery.migration.v2"
+
+	// ProtoVersion is the major version as defined in the protofile.
+	ProtoVersion = "v2"
 )
 
 const (
@@ -126,6 +129,10 @@ const (
 	// https://pkg.go.dev/cloud.google.com/go/bigquery/migration/apiv2/migrationpb.
 	// https://github.com/googleapis/googleapis/blob/f7df662a24c56ecaab79cb7d808fed4d2bb4981d/google/cloud/bigquery/migration/v2/migration_service.proto#L28
 	GoProtoPackagePath = "cloud.google.com/go/bigquery/migration/apiv2/migrationpb"
+
+	// GoVersion is the version used in the package path for versioning the Go
+	// module containing the package.
+	GoVersion = "apiv2"
 )
 
 // DescriptorInfoTypeName constructs the name format used by g.descInfo.Type.