fix or suppress warnings

Author: smdn

src/Smdn.Net.MuninNode/Smdn.Net.MuninPlugin/PluginFieldAttributes.cs

@@ -1,5 +1,7 @@
 // SPDX-FileCopyrightText: 2023 smdn <smdn@smdn.jp>
 // SPDX-License-Identifier: MIT
+#pragma warning disable CA1815 // TODO: implement equality comparison
+
 using System;
 
 namespace Smdn.Net.MuninPlugin;

src/Smdn.Net.MuninNode/Smdn.Net.MuninPlugin/PluginFieldNormalValueRange.cs

@@ -1,5 +1,6 @@
 // SPDX-FileCopyrightText: 2023 smdn <smdn@smdn.jp>
 // SPDX-License-Identifier: MIT
+#pragma warning disable CA1815 // TODO: implement equality comparison
 
 using System;
 

tests/Smdn.Net.MuninNode/Smdn.Net.MuninNode/MuninNodeOptions.cs

@@ -234,21 +234,21 @@ public void AllowFrom()
 
     Assert.That(options.AccessRule, Is.Not.Null);
 
-    Assert.Multiple(() => {
-      foreach (var port in new[] { 0, 1, 6553 }) {
-        foreach (var address in addresses) {
-          var endPoint = new IPEndPoint(address, port);
+    using var scope = Assert.EnterMultipleScope();
 
-          Assert.That(options.AccessRule.IsAcceptable(endPoint), Is.True);
-        }
+    foreach (var port in new[] { 0, 1, 6553 }) {
+      foreach (var address in addresses) {
+        var endPoint = new IPEndPoint(address, port);
 
-        foreach (var address in new[] { IPAddress.Loopback, IPAddress.IPv6Loopback }) {
-          var endPoint = new IPEndPoint(address, port);
+        Assert.That(options.AccessRule.IsAcceptable(endPoint), Is.True);
+      }
+
+      foreach (var address in new[] { IPAddress.Loopback, IPAddress.IPv6Loopback }) {
+        var endPoint = new IPEndPoint(address, port);
 
-          Assert.That(options.AccessRule.IsAcceptable(endPoint), Is.False);
-        }
+        Assert.That(options.AccessRule.IsAcceptable(endPoint), Is.False);
       }
-    });
+    }
   }
 
   [Test]