EXSWHTEC-259 - Implement new and extend existing tests for thread_block #151

Change-Id: I4d85af8e5f805a1c8ff7b7efd3b3400f38343ea9

catch/hipTestMain/main.cc

@@ -30,6 +30,9 @@ int main(int argc, char** argv) {
     | Opt(cmd_options.progress)
         ["-P"]["--progress"]
         ("Show progress bar when running performance tests")
+    | Opt(cmd_options.cg_iterations, "cg_iterations")
+        ["-E"]["--cg-iterations"]
+        ("Number of iterations used for cooperative groups sync tests (default: 5)")
     | Opt(cmd_options.cg_extended_run, "cg_extened_run")
         ["-E"]["--cg-extended-run"]
         ("TODO: Description goes here")