Dial back the level of detail validated for the segments that are deleted

Signed-off-by: Peter Nied <petern@amazon.com>

Author: peternied

server/src/test/java/org/opensearch/index/store/RemoteSegmentStoreDirectoryTests.java

@@ -61,7 +61,6 @@
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.TimeUnit;
-import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
 import org.mockito.Mockito;
@@ -995,20 +994,6 @@ public void testDeleteStaleCommitsActualDelete() throws Exception {
                 .map(metadata -> metadata.split(RemoteSegmentStoreDirectory.UploadedSegmentMetadata.SEPARATOR)[1])
                 .collect(Collectors.toList());
 
-            final String allFilesPattern = filesToBeDeleted.stream()
-                .map(Pattern::quote) // Make sure filenames are matched literally
-                .map(file -> "(?=.*?" + file + ")") // Allow for matches in any order
-                .collect(Collectors.joining("", "deletedSegmentFiles=\\[", ".*\\]"));
-
-            appender.addExpectation(
-                new MockLogAppender.PatternSeenWithLoggerPrefixExpectation(
-                    "Deleted file segments message",
-                    "org.opensearch.index.store.RemoteSegmentStoreDirectory",
-                    Level.DEBUG,
-                    allFilesPattern
-                )
-            );
-
             remoteSegmentStoreDirectory.init();
 
             // popluateMetadata() adds stub to return 3 metadata files

test/framework/src/main/java/org/opensearch/test/MockLogAppender.java

@@ -305,9 +305,7 @@ public void match(final LogEvent event) {
         public void assertMatched() {
             if (!eventSeen.get()) {
                 final StringBuilder failureMessage = new StringBuilder();
-                failureMessage.append(
-                    String.format("%s was not seen, found %d messages matching the logger.", expectationName, loggerMatches.size())
-                );
+                failureMessage.append(expectationName + " was not seen, found " + loggerMatches.size() + " messages matching the logger.");
                 failureMessage.append("\r\nMessage matching regex: " + messageMatchingRegex);
                 if (!loggerMatches.isEmpty()) {
                     failureMessage.append("\r\nMessage details:\r\n" + String.join("\r\n", loggerMatches));