Fix create first login

tests/mock_property_repo.go

@@ -0,0 +1,47 @@
+package tests
+
+import "github.com/navidrome/navidrome/model"
+
+type mockedPropertyRepo struct {
+	model.UserRepository
+	data map[string]string
+	err  error
+}
+
+func (p *mockedPropertyRepo) init() {
+	if p.data == nil {
+		p.data = make(map[string]string)
+	}
+}
+
+func (p *mockedPropertyRepo) Put(id string, value string) error {
+	if p.err != nil {
+		return p.err
+	}
+	p.init()
+	p.data[id] = value
+	return nil
+}
+
+func (p *mockedPropertyRepo) Get(id string) (string, error) {
+	if p.err != nil {
+		return "", p.err
+	}
+	p.init()
+	if v, ok := p.data[id]; ok {
+		return v, nil
+	}
+	return "", model.ErrNotFound
+}
+
+func (p *mockedPropertyRepo) DefaultGet(id string, defaultValue string) (string, error) {
+	if p.err != nil {
+		return "", p.err
+	}
+	p.init()
+	v, err := p.Get(id)
+	if err != nil {
+		return defaultValue, nil
+	}
+	return v, nil
+}