tests: add basic build progress test

Signed-off-by: David Karlsson <35727626+dvdksn@users.noreply.github.com>

vendor/github.com/creack/pty/start.go

@@ -0,0 +1,25 @@
+//go:build !windows
+// +build !windows
+
+package pty
+
+import (
+	"os"
+	"os/exec"
+	"syscall"
+)
+
+// StartWithSize assigns a pseudo-terminal tty os.File to c.Stdin, c.Stdout,
+// and c.Stderr, calls c.Start, and returns the File of the tty's
+// corresponding pty.
+//
+// This will resize the pty to the specified size before starting the command.
+// Starts the process in a new session and sets the controlling terminal.
+func StartWithSize(cmd *exec.Cmd, ws *Winsize) (*os.File, error) {
+	if cmd.SysProcAttr == nil {
+		cmd.SysProcAttr = &syscall.SysProcAttr{}
+	}
+	cmd.SysProcAttr.Setsid = true
+	cmd.SysProcAttr.Setctty = true
+	return StartWithAttrs(cmd, ws, cmd.SysProcAttr)
+}