SWDEV-406099 - fix zero-length gnu_printf format warning in linux PSDB logs (#3262)

Change-Id: I71ca50a11a83e57d4b8d41c225a55e5138e55731

tests/src/runtimeApi/cooperativeGrps/multi_gpu_streams.cpp

@@ -97,7 +97,7 @@ static inline void hipCheckAndFail(hipError_t errval,
     std::cerr << "hip error: " << hipGetErrorString(errval);
     std::cerr << std::endl;
     std::cerr << "    Location: " << file << ":" << line << std::endl;
-    failed("");
+    failed("\n");
   }
   if (last_err != errval) {
     std::cerr << "Error: the return value of a function was not the same ";
@@ -107,7 +107,7 @@ static inline void hipCheckAndFail(hipError_t errval,
     std::cerr << " (" << errval << ")" << std::endl;
     std::cerr << "hipGetLastError() returned: " << hipGetErrorString(last_err);
     std::cerr << " (" << last_err << ")" << std::endl;
-    failed("");
+    failed("\n");
   }
 }
 #define hipCheckErr(errval) \
@@ -312,7 +312,7 @@ int main(int argc, char** argv) {
       std::cerr << std::endl;
       std::cerr << "You requested " << desired_blocks << " but we can only ";
       std::cerr << "fit " << (max_blocks_per_sm * num_sm) << std::endl;
-      failed("");
+      failed("\n");
     }
 
     /*************************************************************************/
@@ -653,7 +653,7 @@ int main(int argc, char** argv) {
     }
   }
   if (FailFlag == 1) {
-    failed("");
+    failed("\n");
   } else {
     passed();
   }