fix: log in with different use should create new machine entry

tests/tsn/conditions.go

@@ -2,6 +2,7 @@ package tsn
 
 import (
 	"slices"
+	"strings"
 	"tailscale.com/ipn/ipnstate"
 	"tailscale.com/tailcfg"
 	"tailscale.com/types/views"
@@ -27,6 +28,12 @@ func HasTag(tag string) Condition {
 	}
 }
 
+func HasName(name string) Condition {
+	return func(status *ipnstate.Status) bool {
+		return status.Self != nil && strings.HasPrefix(status.Self.DNSName, name)
+	}
+}
+
 func NeedsMachineAuth() Condition {
 	return func(status *ipnstate.Status) bool {
 		return status.BackendState == "NeedsMachineAuth"

tests/tsn/node.go

@@ -47,7 +47,7 @@ func (t *TailscaleNode) LoginWithOidc(flags ...UpFlag) (int, error) {
 		return strings.Contains(stderr, "To authenticate, visit:")
 	}
 
-	cmd := []string{"up", "--login-server", t.loginServer}
+	cmd := []string{"login", "--login-server", t.loginServer}
 	for _, f := range flags {
 		cmd = append(cmd, f...)
 	}