feat: Reword log message around unsent spans

packages/node/test/integration/transactions.test.ts

@@ -620,7 +620,7 @@ describe('Integration | Transactions', () => {
     expect(logs).toEqual(
       expect.arrayContaining([
         'SpanExporter dropped 2 spans because they were pending for more than 300 seconds.',
-        'SpanExporter exported 1 spans, 0 unsent spans remaining',
+        'SpanExporter exported 1 spans, 0 spans are waiting for their parent spans to finish',
       ]),
     );
   });

packages/opentelemetry/src/spanExporter.ts

@@ -133,7 +133,9 @@ export class SentrySpanExporter {
     const remainingOpenSpanCount = finishedSpans.length - sentSpanCount;
 
     DEBUG_BUILD &&
-      logger.log(`SpanExporter exported ${sentSpanCount} spans, ${remainingOpenSpanCount} unsent spans remaining`);
+      logger.log(
+        `SpanExporter exported ${sentSpanCount} spans, ${remainingOpenSpanCount} spans are waiting for their parent spans to finish`,
+      );
 
     sentSpans.forEach(span => {
       const bucketEntry = this._spansToBucketEntry.get(span);

packages/opentelemetry/test/integration/transactions.test.ts

@@ -500,7 +500,7 @@ describe('Integration | Transactions', () => {
     expect(logs).toEqual(
       expect.arrayContaining([
         'SpanExporter dropped 2 spans because they were pending for more than 300 seconds.',
-        'SpanExporter exported 1 spans, 0 unsent spans remaining',
+        'SpanExporter exported 1 spans, 0 spans are waiting for their parent spans to finish',
       ]),
     );
   });