test: 测试库改为模板克隆并纳入完整租号 e2e

每个包不再重复 DROP+迁移，清空改用 DELETE 并重置自增，go test ./... 从约 6 分钟降到十几秒。租号全链路改走 NewTestDB，去掉依赖额外 DSN 才会跑的过渡测试。

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/internal/modules/adminfinance/dashboard_profile_test.go

@@ -1,45 +0,0 @@
-package adminfinance
-
-import (
-	"encoding/json"
-	"os"
-	"testing"
-	"time"
-
-	"hfb_sys/backend/internal/timeutil"
-
-	"gorm.io/driver/mysql"
-	"gorm.io/gorm"
-	"gorm.io/gorm/logger"
-)
-
-func TestProfileDashboardOnMySQL(t *testing.T) {
-	dsn := os.Getenv("HFB_ADMIN_FINANCE_TEST_DSN")
-	if dsn == "" {
-		t.Skip("profile only")
-	}
-	db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{Logger: logger.Default.LogMode(logger.Info)})
-	if err != nil {
-		t.Fatal(err)
-	}
-	now := timeutil.ShanghaiNow()
-	started := time.Now()
-	result, err := NewRepository(db).Dashboard(t.Context(), DashboardQuery{
-		StartDate: time.Date(now.Year(), now.Month(), now.Day()-6, 0, 0, 0, 0, timeutil.ShanghaiLocation()),
-		EndDate:   time.Date(now.Year(), now.Month(), now.Day(), 23, 59, 59, 999999999, timeutil.ShanghaiLocation()),
-	})
-	if err != nil {
-		t.Fatal(err)
-	}
-	t.Logf("dashboard duration=%s daily_items=%d", time.Since(started), len(result.DailyItems))
-	if output := os.Getenv("HFB_ADMIN_FINANCE_PROFILE_OUTPUT"); output != "" {
-		result.GeneratedAt = time.Time{}
-		data, err := json.MarshalIndent(result, "", "  ")
-		if err != nil {
-			t.Fatal(err)
-		}
-		if err := os.WriteFile(output, data, 0o600); err != nil {
-			t.Fatal(err)
-		}
-	}
-}

backend/internal/modules/adminfinance/disbursement_mysql_test.go

@@ -1,35 +0,0 @@
-package adminfinance
-
-import (
-	"os"
-	"testing"
-	"time"
-
-	"gorm.io/driver/mysql"
-	"gorm.io/gorm"
-)
-
-func TestDisbursementQueryOnMySQL(t *testing.T) {
-	dsn := os.Getenv("HFB_ADMIN_FINANCE_TEST_DSN")
-	if dsn == "" {
-		t.Skip("设置 HFB_ADMIN_FINANCE_TEST_DSN 后运行 MySQL 资金出款查询测试")
-	}
-	db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{})
-	if err != nil {
-		t.Fatalf("连接 MySQL 失败: %v", err)
-	}
-
-	result, err := NewRepository(db).Disbursements(t.Context(), DisbursementQuery{
-		DateType:  "created",
-		StartDate: time.Now().AddDate(-1, 0, 0),
-		EndDate:   time.Now().AddDate(0, 0, 1),
-		Page:      1,
-		PageSize:  20,
-	})
-	if err != nil {
-		t.Fatalf("MySQL 资金出款查询失败: %v", err)
-	}
-	if result == nil || result.Items == nil {
-		t.Fatalf("MySQL 资金出款查询返回异常: %+v", result)
-	}
-}