E2E tests use repeated strings for test data where constants add no value (#97)

---------

Co-authored-by: Pasha Sviderski <me@psviderski.name>
Co-authored-by: Anton Ovchinnikov <anton@tonyo.info>

internal/machine/network/wireguard.go

@@ -2,10 +2,11 @@ package network
 
 import (
 	"fmt"
-	"github.com/psviderski/uncloud/internal/secret"
-	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 	"net/netip"
 	"time"
+
+	"github.com/psviderski/uncloud/internal/secret"
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )
 
 const (