namecrane: remove unneeded test file

backend/namecrane/client_test.go

@@ -1,36 +0,0 @@
-package namecrane
-
-import (
-	"fmt"
-	"io"
-	"os"
-	"testing"
-)
-
-func TestClient(t *testing.T) {
-	fsDirPath := "../../Dockerfile"
-
-	fd, err := os.Open(fsDirPath)
-	if err != nil {
-		err = fmt.Errorf("failed to open directory %q: %w", fsDirPath, err)
-		t.Fatal(err)
-	}
-
-	for {
-		var fis []os.FileInfo
-		// Windows and Plan9 read the directory entries with the stat information in which
-		// shouldn't fail because of unreadable entries.
-		fis, err = fd.Readdir(1024)
-		if err == io.EOF && len(fis) == 0 {
-			break
-		}
-
-		if err != nil {
-			t.Fatal("Unable to read directory", err)
-		}
-
-		for _, fi := range fis {
-			t.Log("Found", fi.Name())
-		}
-	}
-}