refactor: update db migrator

test/store/migrator_test.go

@@ -0,0 +1,17 @@
+package teststore
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestGetCurrentSchemaVersion(t *testing.T) {
+	ctx := context.Background()
+	ts := NewTestingStore(ctx, t)
+
+	currentSchemaVersion, err := ts.GetCurrentSchemaVersion()
+	require.NoError(t, err)
+	require.Equal(t, "1.0.0", currentSchemaVersion)
+}