minor refactoring of const + better timeout handling in pinter package + api package tests

internal/pkg/printer/printer.go

@@ -1,39 +1,7 @@
 package printer
 
-import (
-	"context"
-	"fmt"
-	"strings"
-
-	"github.com/thecodingmachine/gotenberg/internal/pkg/standarderror"
-)
-
 // Printer is a type that can create a PDF file from a source.
 // The source is defined in the underlying implementation.
 type Printer interface {
 	Print(destination string) error
 }
-
-func handleErrContext(ctx context.Context, previousErr error) error {
-	const op = "printer.handleErrContext"
-	if previousErr == nil {
-		panic(fmt.Sprintf("%s: previous error should not be nil", op))
-	}
-	err := ctx.Err()
-	if err == nil {
-		return previousErr
-	}
-	if strings.Contains(err.Error(), context.DeadlineExceeded.Error()) {
-		return &standarderror.Error{
-			Code:    standarderror.Timeout,
-			Message: "context has timed out",
-			Op:      op,
-			Err:     previousErr,
-		}
-	}
-	return &standarderror.Error{
-		Message: "context finished with an error",
-		Op:      op,
-		Err:     previousErr,
-	}
-}