pc: rename data_channel_unittest

to match the name of the file it is testing

Bug: None
Change-Id: I040f5459b9d88e022bf3a165e3c2b08c9c956711
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/459941
Reviewed-by: Jeremy Leconte <jleconte@google.com>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Philipp Hancke <philipp.hancke@googlemail.com>
Cr-Commit-Position: refs/heads/main@{#47257}

pc/BUILD.gn

diff --git a/pc/BUILD.gn b/pc/BUILD.gn
index f2045cb..ca8dcd8 100644
--- a/pc/BUILD.gn
+++ b/pc/BUILD.gn
@@ -2490,7 +2490,6 @@
     sources = [
       "congestion_control_integrationtest.cc",
       "data_channel_integrationtest.cc",
-      "data_channel_unittest.cc",
       "dtmf_sender_unittest.cc",
       "ice_server_parsing_unittest.cc",
       "jitter_buffer_delay_unittest.cc",
@@ -2529,6 +2528,7 @@
       "rtp_sender_receiver_unittest.cc",
       "rtp_transceiver_unittest.cc",
       "scoped_operations_batcher_unittest.cc",
+      "sctp_data_channel_unittest.cc",
       "sctp_utils_unittest.cc",
       "sdp_munging_detector_unittest.cc",
       "sdp_offer_answer_unittest.cc",

pc/sctp_data_channel_unittest.cc

diff --git a/pc/data_channel_unittest.cc b/pc/sctp_data_channel_unittest.cc
similarity index 99%
rename from pc/data_channel_unittest.cc
rename to pc/sctp_data_channel_unittest.cc
index 82f4d85..06b4a88 100644
--- a/pc/data_channel_unittest.cc
+++ b/pc/sctp_data_channel_unittest.cc
@@ -8,6 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
+#include "pc/sctp_data_channel.h"
+
 #include <cstdint>
 #include <cstring>
 #include <memory>
@@ -25,7 +27,6 @@
 #include "api/task_queue/pending_task_safety_flag.h"
 #include "api/test/rtc_error_matchers.h"
 #include "api/transport/data_channel_transport_interface.h"
-#include "pc/sctp_data_channel.h"
 #include "pc/sctp_utils.h"
 #include "pc/test/fake_data_channel_controller.h"
 #include "rtc_base/checks.h"