fix paid burst testing (#36995)

Author: weirongw23-msft

sdk/storage/azure-storage-file-share/tests/test_share.py

@@ -1658,7 +1658,8 @@ def test_share_paid_bursting(self, **kwargs):
             iops = 102400
 
             # Act / Assert
-            share = self._create_share(
+            share = self._get_share_reference()
+            share.create_share(
                 paid_bursting_enabled=True,
                 paid_bursting_bandwidth_mibps=5000,
                 paid_bursting_iops=1000

sdk/storage/azure-storage-file-share/tests/test_share_async.py

@@ -1695,7 +1695,8 @@ async def test_share_paid_bursting(self, **kwargs):
             iops = 102400
 
             # Act / Assert
-            share = await self._create_share(
+            share = self._get_share_reference()
+            await share.create_share(
                 paid_bursting_enabled=True,
                 paid_bursting_bandwidth_mibps=5000,
                 paid_bursting_iops=1000