[Gpr_To_Absl_Logging] Fixing unit test that flags log noise

src/core/util/log.cc

@@ -115,15 +115,17 @@ void gpr_log_verbosity_init(void) {
   absl::string_view verbosity = grpc_core::ConfigVars::Get().Verbosity();
   DVLOG(2) << "Log verbosity: " << verbosity;
   if (absl::EqualsIgnoreCase(verbosity, "INFO")) {
-    LOG(WARNING) << "Not suitable for production. Prefer WARNING or ERROR. "
-                    "However if you see this message in a debug environmenmt "
-                    "or test environmenmt it is safe to ignore this message.";
+    LOG_FIRST_N(WARNING, 1)
+        << "Not suitable for production. Prefer WARNING or ERROR. "
+           "However if you see this message in a debug environmenmt "
+           "or test environmenmt it is safe to ignore this message.";
     absl::SetVLogLevel("*grpc*/*", -1);
     absl::SetMinLogLevel(absl::LogSeverityAtLeast::kInfo);
   } else if (absl::EqualsIgnoreCase(verbosity, "DEBUG")) {
-    LOG(WARNING) << "Not suitable for production. Prefer WARNING or ERROR. "
-                    "However if you see this message in a debug environmenmt "
-                    "or test environmenmt it is safe to ignore this message.";
+    LOG_FIRST_N(WARNING, 1)
+        << "Not suitable for production. Prefer WARNING or ERROR. "
+           "However if you see this message in a debug environmenmt "
+           "or test environmenmt it is safe to ignore this message.";
     absl::SetVLogLevel("*grpc*/*", 2);
     absl::SetMinLogLevel(absl::LogSeverityAtLeast::kInfo);
   } else if (absl::EqualsIgnoreCase(verbosity, "ERROR")) {