사용자 테넌트 소속 데이터 정리

backend/internal/repository/user_membership_maintenance_test.go

@@ -44,6 +44,10 @@ func TestClearOrphanUserTenantMemberships(t *testing.T) {
 	require.NoError(t, repo.Create(ctx, activeUser))
 	require.NoError(t, repo.Create(ctx, orphanUser))
 
+	count, err := CountOrphanUserTenantMemberships(ctx, testDB)
+	require.NoError(t, err)
+	assert.Equal(t, int64(1), count)
+
 	affected, err := ClearOrphanUserTenantMemberships(ctx, testDB)
 	require.NoError(t, err)
 	assert.Equal(t, int64(1), affected)
@@ -60,4 +64,8 @@ func TestClearOrphanUserTenantMemberships(t *testing.T) {
 	assert.Nil(t, foundOrphan.TenantID)
 	assert.Empty(t, foundOrphan.CompanyCode)
 	assert.Empty(t, foundOrphan.CompanyCodes)
+
+	count, err = CountOrphanUserTenantMemberships(ctx, testDB)
+	require.NoError(t, err)
+	assert.Equal(t, int64(0), count)
 }