diff --git a/Tests/CodexTests/BasicTests/LogHelperTests.cs b/Tests/CodexTests/BasicTests/LogHelperTests.cs
new file mode 100644
index 00000000..d0b623a2
--- /dev/null
+++ b/Tests/CodexTests/BasicTests/LogHelperTests.cs
@@ -0,0 +1,61 @@
+using CodexPlugin;
+using NUnit.Framework;
+using Utils;
+
+namespace CodexTests.BasicTests
+{
+    [TestFixture]
+    public class LogHelperTests : CodexDistTest
+    {
+        [Test]
+        public void FindMostCommonLogMessages()
+        {
+            var node = AddCodex(s => s.WithLogLevel(CodexLogLevel.Trace));
+
+
+            node.UploadFile(GenerateTestFile(1.GB()));
+
+
+            var map = GetLogMap(node).OrderByDescending(p => p.Value);
+            foreach (var entry in map)
+            {
+                Log($"'{entry.Key}' = {entry.Value}");
+            }
+        }
+
+        private Dictionary<string, int> GetLogMap(ICodexNode node)
+        {
+            var log = Ci.DownloadLog(node);
+            var map = new Dictionary<string, int>();
+            log.IterateLines(line =>
+            {
+                if (string.IsNullOrEmpty(line) ||
+                    !line.Contains(" ") ||
+                    !line.Contains("=") ||
+                    line.Length < 34 ||
+                    line[33] != ' '
+                ) return;
+                
+                // "INF 2024-04-14 10:40:50.042+00:00 Creating a private key and saving it       tid=1 count=2"
+                var start = 34;
+                var msg = line.Substring(start);
+
+                // "Creating a private key and saving it       tid=1 count=2"
+                var firstEqualSign = msg.IndexOf("=");
+                msg = msg.Substring(0, firstEqualSign);
+
+                // "Creating a private key and saving it       tid"
+                var lastSpace = msg.LastIndexOf(" ");
+                msg = msg.Substring(0, lastSpace);
+
+                // "Creating a private key and saving it       "
+                msg = msg.Trim();
+
+                // "Creating a private key and saving it"
+                if (map.ContainsKey(msg)) map[msg] += 1;
+                else map.Add(msg, 1);
+            });
+            return map;
+        }
+    }
+}
diff --git a/Tests/CodexTests/BasicTests/OneClientTests.cs b/Tests/CodexTests/BasicTests/OneClientTests.cs
index d8045862..9d4f5a58 100644
--- a/Tests/CodexTests/BasicTests/OneClientTests.cs
+++ b/Tests/CodexTests/BasicTests/OneClientTests.cs
@@ -1,5 +1,4 @@
 using CodexPlugin;
-using DistTestCore;
 using NUnit.Framework;
 using Utils;
 
@@ -11,7 +10,7 @@ namespace CodexTests.BasicTests
         [Test]
         public void OneClientTest()
         {
-            var primary = Ci.StartCodexNode();
+            var primary = AddCodex();
 
             PerformOneClientTest(primary);
         }
@@ -19,11 +18,11 @@ namespace CodexTests.BasicTests
         [Test]
         public void RestartTest()
         {
-            var primary = Ci.StartCodexNode();
+            var primary = AddCodex();
 
             primary.Stop(waitTillStopped: true);
 
-            primary = Ci.StartCodexNode();
+            primary = AddCodex();
 
             PerformOneClientTest(primary);
         }