H-292: prove Captain Skill updates reach CAS (#54)

* H-292: prove Captain Skill updates reach CAS

* H-292: prove handler conflict comes from CAS

* H-292: reuse profile test password digest

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Co-authored-by: Rogee <rogee@ipao.vip>

backend/internal/handler/api/v1/profile_handler_test.go

@@ -150,14 +150,12 @@ func (s *ProfileHandlerTestSuite) buildRouter() *gin.Engine {
 
 func (s *ProfileHandlerTestSuite) SetupTest() {
 	s.db.Where("user_id = ?", s.userID).Delete(&model.UserSession{})
-	passwordDigest, err := crypto.HashPassword("oldpassword")
-	s.Require().NoError(err)
 	// Reset user to original state before each test
 	s.db.Model(&model.User{}).Where("id = ?", s.userID).Updates(map[string]interface{}{
 		"name":               "ProfileUser",
 		"email":              "profile@example.com",
-		"password":           passwordDigest,
-		"password_digest":    passwordDigest,
+		"password":           s.user.PasswordDigest,
+		"password_digest":    s.user.PasswordDigest,
 		"avatar_url":         "",
 		"available":          false,
 		"display_name":       "Profile Display",