fix(settings): system ID max value

internal/configuration/sources/env/helpers_test.go

@@ -0,0 +1,22 @@
+package env
+
+import (
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+// setTestEnv is used to set environment variables in
+// parallel tests.
+func setTestEnv(t *testing.T, key, value string) {
+	t.Helper()
+	existing := os.Getenv(key)
+	err := os.Setenv(key, value) //nolint:tenv
+	t.Cleanup(func() {
+		err = os.Setenv(key, existing)
+		assert.NoError(t, err)
+	})
+	require.NoError(t, err)
+}