DMD-919 - Use t.Context() instead of context.Background() in tests

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: vojtabiberle

internal/pkg/llm/twinformat/configparser/parser_test.go

@@ -1,7 +1,6 @@
 package configparser
 
 import (
-	"context"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -242,7 +241,7 @@ func TestParseStorageMappings(t *testing.T) {
 func TestParseCodeBlocks(t *testing.T) {
 	t.Parallel()
 
-	ctx := context.Background()
+	ctx := t.Context()
 	logger := log.NewNopLogger()
 
 	tests := []struct {