Code Coverage Unit Tests for comm.h (#1783)

* File containing test for comm.h

* Update CommTest.cpp

Added gtest API for assert

* Update CommTest.cpp

Adding copyright

* Update CommTest.cpp

Removing info and tested as not required.

* Update and rename CommTest.cpp to CommTests.cpp

* Update CMakeLists.txt

[ROCm/rccl commit: 6453273aa6]

projects/rccl/test/CMakeLists.txt

@@ -141,12 +141,13 @@ if(BUILD_TESTS)
       AltRsmiTests.cpp
       AllocTests.cpp
       ArgCheckTests.cpp
+      BitOpsTests.cpp
       IpcsocketTests.cpp
       CollRegTests.cpp
+      CommTests.cpp
+      P2pTests.cpp
       RcclWrapTests.cpp
       ShmTests.cpp
-      P2pTests.cpp
-      BitOpsTests.cpp
       TransportTests.cpp
       common/main_fixtures.cpp
       common/EnvVars.cpp

projects/rccl/test/CommTests.cpp

@@ -0,0 +1,26 @@
+/*************************************************************************
+ * Copyright (c) 2025 Advanced Micro Devices, Inc. All rights reserved.
+ *
+ * See LICENSE.txt for license information
+ ************************************************************************/
+#include "gtest/gtest.h"
+#include "comm.h"
+
+
+
+namespace RcclUnitTesting
+{
+  TEST(CommTests, Sorter)
+  {
+	// Configuration
+	ncclTaskCollSorter* me_ptr = new ncclTaskCollSorter;
+	me_ptr->head = nullptr;
+
+	ASSERT_EQ(ncclTaskCollSorterEmpty(me_ptr), true);
+	delete me_ptr;
+  }
+}
+
+
+
+