make tests safer

Author: Lms24

dev-packages/browser-integration-tests/suites/public-api/startTransaction/basic_usage/test.ts

@@ -30,15 +30,18 @@ sentryTest('should report finished spans as children of the root transaction', a
 
   const span_1 = transaction.spans?.[0];
 
-  expect(span_1?.op).toBe('span_1');
-  expect(span_1?.parent_span_id).toEqual(rootSpanId);
-  expect(span_1?.data).toMatchObject({ foo: 'bar', baz: [1, 2, 3] });
+  expect(span_1).toBeDefined();
+  expect(span_1!.op).toBe('span_1');
+  expect(span_1!.parent_span_id).toEqual(rootSpanId);
+  expect(span_1!.data).toMatchObject({ foo: 'bar', baz: [1, 2, 3] });
 
   const span_3 = transaction.spans?.[1];
-  expect(span_3?.op).toBe('span_3');
-  expect(span_3?.parent_span_id).toEqual(rootSpanId);
+  expect(span_3).toBeDefined();
+  expect(span_3!.op).toBe('span_3');
+  expect(span_3!.parent_span_id).toEqual(rootSpanId);
 
   const span_5 = transaction.spans?.[2];
-  expect(span_5?.op).toBe('span_5');
-  expect(span_5?.parent_span_id).toEqual(span_3?.span_id);
+  expect(span_5).toBeDefined();
+  expect(span_5!.op).toBe('span_5');
+  expect(span_5!.parent_span_id).toEqual(span_3!.span_id);
 });