Fix for issue #1178 based on fix in PR #1214 for version 3.17++

Author: OsirisTerje

src/NUnitConsole/nunit3-console/Program.cs

@@ -106,8 +106,12 @@ public static int Main(string[] args)
                     if (Options.WorkDirectory != null)
                         engine.WorkDirectory = Options.WorkDirectory;
 
-                    if (Options.InternalTraceLevel != null)
-                        engine.InternalTraceLevel = (InternalTraceLevel)Enum.Parse(typeof(InternalTraceLevel), Options.InternalTraceLevel);
+                    //if (Options.InternalTraceLevel != null)
+                    //    engine.InternalTraceLevel = (InternalTraceLevel)Enum.Parse(typeof(InternalTraceLevel), Options.InternalTraceLevel);
+                    // See PR 1114  https://github.com/nunit/nunit-console/pull/1214/files  
+                    engine.InternalTraceLevel = Options.InternalTraceLevel != null
+                        ? (InternalTraceLevel)Enum.Parse(typeof(InternalTraceLevel), Options.InternalTraceLevel)
+                        : InternalTraceLevel.Off;
 
                     try
                     {

src/NUnitEngine/nunit-agent/Program.cs

@@ -62,8 +62,8 @@ public static void Main(string[] args)
                 }
             }
 
-            var logName = $"nunit-agent_{pid}.log";
-            InternalTrace.Initialize(Path.Combine(workDirectory, logName), traceLevel);
+            // var logName = $"nunit-agent_{pid}.log";
+            // InternalTrace.Initialize(Path.Combine(workDirectory, logName), traceLevel);  // See PR 1214 https://github.com/nunit/nunit-console/pull/1214/files
             log = InternalTrace.GetLogger(typeof(NUnitTestAgent));
 
             log.Info("Agent process {0} starting", pid);