Adjust expectation for number of splits in SequentialCompressionWrite…

…rTest

writer_creates_correct_metadata_relative_filepaths since logic for split
has been changed.

Now it will be fair. If specified max_baf_file_size = 1 it will be
reasonable to expect only one message per file.

Signed-off-by: Michael Orlov <michael.orlov@apex.ai>

rosbag2_compression/test/rosbag2_compression/test_sequential_compression_writer.cpp

@@ -241,14 +241,14 @@ TEST_F(SequentialCompressionWriterTest, writer_creates_correct_metadata_relative
   message->topic_name = test_topic_name;
 
   writer_->write(message);
-  // bag size == max_bafile_size, no split yet
+  // bag size == max_bagfile_size, split
   writer_->write(message);
-  // bag size > max_bagfile_size, split
+  // bag size == max_bagfile_size, split
   writer_->write(message);
   writer_.reset();
 
   EXPECT_EQ(
-    intercepted_metadata_.relative_file_paths.size(), 2u);
+    intercepted_metadata_.relative_file_paths.size(), 3u);
 
   const auto base_path = tmp_dir_storage_options_.uri;
   int counter = 0;