fix CA1822

Author: tg123

src/KubernetesClient/WebSocketBuilder.cs

@@ -47,7 +47,7 @@ public WebSocketBuilder SetServerCertificateValidationCallback(
             return this;
         }
 
-        public void CleanupServerCertificateValidationCallback(RemoteCertificateValidationCallback validationCallback)
+        public static void CleanupServerCertificateValidationCallback(RemoteCertificateValidationCallback validationCallback)
         {
             System.Net.ServicePointManager.ServerCertificateValidationCallback -= validationCallback;
         }

tests/KubernetesClient.Tests/KubernetesClientConfigurationTests.cs

@@ -564,15 +564,15 @@ private void AssertConfigEqual(K8SConfiguration expected, K8SConfiguration actua
             }
         }
 
-        private void AssertContextEqual(Context expected, Context actual)
+        private static void AssertContextEqual(Context expected, Context actual)
         {
             Assert.Equal(expected.Name, actual.Name);
             Assert.Equal(expected.ContextDetails.Cluster, actual.ContextDetails.Cluster);
             Assert.Equal(expected.ContextDetails.User, actual.ContextDetails.User);
             Assert.Equal(expected.ContextDetails.Namespace, actual.ContextDetails.Namespace);
         }
 
-        private void AssertClusterEqual(Cluster expected, Cluster actual)
+        private static void AssertClusterEqual(Cluster expected, Cluster actual)
         {
             Assert.Equal(expected.Name, actual.Name);
             Assert.Equal(expected.ClusterEndpoint.CertificateAuthority, actual.ClusterEndpoint.CertificateAuthority);
@@ -582,7 +582,7 @@ private void AssertClusterEqual(Cluster expected, Cluster actual)
             Assert.Equal(expected.ClusterEndpoint.SkipTlsVerify, actual.ClusterEndpoint.SkipTlsVerify);
         }
 
-        private void AssertUserEqual(User expected, User actual)
+        private static void AssertUserEqual(User expected, User actual)
         {
             Assert.Equal(expected.Name, actual.Name);
 

tests/KubernetesClient.Tests/Mock/Server/Startup.cs

@@ -23,7 +23,7 @@ public Startup()
         /// <param name="services">
         ///     The service collection to configure.
         /// </param>
-        public void ConfigureServices(IServiceCollection services)
+        public static void ConfigureServices(IServiceCollection services)
         {
             if (services == null)
             {
@@ -43,7 +43,7 @@ public void ConfigureServices(IServiceCollection services)
         /// <param name="app">
         ///     The application pipeline builder.
         /// </param>
-        public void Configure(IApplicationBuilder app)
+        public static void Configure(IApplicationBuilder app)
         {
             app.UseWebSockets(new WebSocketOptions
             {

tests/KubernetesClient.Tests/TokenFileAuth.cs

@@ -9,7 +9,7 @@ namespace k8s.Tests
 {
     public class TokenFileAuthTests
     {
-        public async Task Token()
+        public static Task Token()
         {
             var auth = new TokenFileAuth("assets/token1");
             var result = await auth.GetAuthenticationHeaderAsync(CancellationToken.None).ConfigureAwait(false);