sqldb: add helpers to create test DBs migrated up to a select version

sqldb/sqlite_test.go

@@ -11,3 +11,9 @@ import (
 func NewTestDB(t *testing.T) *SqliteStore {
 	return NewTestSqliteDB(t)
 }
+
+// NewTestDBWithVersion is a helper function that creates an SQLite database
+// for testing and migrates it to the given version.
+func NewTestDBWithVersion(t *testing.T, version uint) *SqliteStore {
+	return NewTestSqliteDBWithVersion(t, version)
+}