fix(core): update

test/test.ts

@@ -8,6 +8,10 @@ tap.test('should create a valid instance of smartpdf', async () => {
   expect(testSmartPdf).to.be.instanceof(smartpdf.SmartPdf);
 });
 
+tap.test('should start the instance', async () => {
+  await testSmartPdf.start();
+});
+
 tap.test('should create a pdf from html string', async () => {
   await testSmartPdf.getPdfForHtmlString('hi');
 });
@@ -21,7 +25,7 @@ tap.test('should create a pdf from website as single page PDF', async () => {
 });
 
 tap.test('should be able to close properly', async () => {
-  await testSmartPdf.close();
+  await testSmartPdf.stop();
 });
 
 tap.start();