Maybe Dev Server works

tests/main_test.go

@@ -58,42 +58,7 @@ func startDevServer() (func() error, error) {
 	// Run in a new process group so we can kill the process and its children
 	cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
 
-	// Read and print stderr
-	stderr, err := cmd.StderrPipe()
-	if err != nil {
-		return nil, fmt.Errorf("failed to create stderr pipe: %w", err)
-	}
-	go func() {
-		buf := make([]byte, 1024)
-		for {
-			n, err := stderr.Read(buf)
-			if n > 0 {
-				fmt.Print(string(buf[:n]))
-			}
-			if err != nil {
-				break
-			}
-		}
-	}()
-
-	stdout, err := cmd.StdoutPipe()
-	if err != nil {
-		return nil, fmt.Errorf("failed to create stdout pipe: %w", err)
-	}
-	go func() {
-		buf := make([]byte, 1024)
-		for {
-			n, err := stdout.Read(buf)
-			if n > 0 {
-				fmt.Print(string(buf[:n]))
-			}
-			if err != nil {
-				break
-			}
-		}
-	}()
-
-	err = cmd.Start()
+	err := cmd.Start()
 	if err != nil {
 		return nil, fmt.Errorf("failed to start command: %w", err)
 	}