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/api/port_test.go

@@ -1,10 +1,11 @@
 package api
 
 import (
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
 	"net/netip"
 	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 func TestPortSpec_Validate(t *testing.T) {