CC5: move first delete to deleteWithConfirm, add debugging

Author: driftx

test/unit/org/apache/cassandra/db/commitlog/CommitLogSegmentManagerCDCTest.java

@@ -499,14 +499,18 @@ private void testSegmentFlaggingOnCreation0() throws Throwable
                 cdcMgr.awaitManagementTasksCompletion();
                 // Delete all files in cdc_raw
                 for (File f : DatabaseDescriptor.getCDCLogLocation().tryList())
-                    f.delete();
+                {
+                    logger.debug("delete {}", f.absolutePath());
+                    FileUtils.deleteWithConfirm(f);
+                }
                 cdcMgr.updateCDCTotalSize();
                 // Confirm cdc update process changes flag on active segment
                 expectCurrentCDCState(CDCState.PERMITTED);
             }
 
             // Clear out archived CDC files
             for (File f : DatabaseDescriptor.getCDCLogLocation().tryList()) {
+                logger.debug("delete {}", f.absolutePath());
                 FileUtils.deleteWithConfirm(f);
             }
         });