fmt.Printf("putConn(%v) DUPLICATE was: %s\n\nPREVIOUS was: %s", dc, stack(), db.lastPut[dc])
		}
		panic("sql: connection returned that was never out")
	}

	if !errors.Is(err, driver.ErrBadConn) && dc.expired(db.maxLifetime) {
		db.maxLifetimeClosed++
		err = driver.ErrBadConn
	}
	if debugGetPut {
		db.lastPut[dc] = stack()
	}
	dc.inUse = false
	dc.returnedAt = nowFunc()

	)

	// No queries will be run.
	db, err := Open("test", fakeDBName)
	if err != nil {
		t.Fatalf("Open: %v", err)
	}
	defer closeDB(t, db)
	defer func() {
		for k, v := range db.lastPut {
			t.Logf("%p: %v", k, v)
		}
	}()

	db.SetMaxOpenConns(maxOpen)
	db.SetMaxIdleConns(0)

	errOffline := errors.New("db offline")

	defer func() { setHookOpenErr(nil) }()

		}
		t.Logf("Data: %s", string(body))
	}

	var listOut genericapitesting.SimpleList
	body, err := extractBody(resp, &listOut)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	t.Log(body)

	if len(listOut.Items) != 1 {
		t.Errorf("Unexpected response: %#v", listOut)
		return
	}
	if listOut.Items[0].Other != simpleStorage.list[0].Other {