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>

pkg/client/connector/ssh.go

@@ -3,13 +3,14 @@ package connector
 import (
 	"context"
 	"fmt"
+	"net"
+	"strings"
+
 	"github.com/psviderski/uncloud/internal/machine"
 	"github.com/psviderski/uncloud/internal/sshexec"
 	"golang.org/x/crypto/ssh"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials/insecure"
-	"net"
-	"strings"
 )
 
 type SSHConnectorConfig struct {