feat(tests): configure test environment and streamline health checks

- Sets the web host environment to "tests" for accurate testing context.
- Removes redundant resilience pipeline for health checks.
- Simplifies health check assertions to improve test clarity and maintainability.

Author: winromulus

tests/ES.Kubernetes.Reflector.Tests/Fixtures/ReflectorFixture.cs

@@ -27,9 +27,9 @@ protected override IHost CreateHost(IHostBuilder builder)
 
     protected override void ConfigureWebHost(IWebHostBuilder builder)
     {
+        builder.UseEnvironment("tests");
         builder.ConfigureServices(services =>
         {
-            //  remove the existing KubernetesClientConfiguration and IKubernetes registrations
             var kubernetesClientConfiguration = services.SingleOrDefault(
                 d => d.ServiceType == typeof(KubernetesClientConfiguration));
             if (kubernetesClientConfiguration is not null) services.Remove(kubernetesClientConfiguration);

tests/ES.Kubernetes.Reflector.Tests/Integration/HealthCheckIntegrationTests.cs

@@ -21,34 +21,15 @@ public class HealthCheckIntegrationTests(ReflectorIntegrationFixture integration
 {
     private readonly ReflectorIntegrationFixture _integrationFixture = integrationFixture;
 
-
-    private static readonly ResiliencePipeline<bool> HealthCheckResiliencePipeline =
-        new ResiliencePipelineBuilder<bool>()
-            .AddRetry(new RetryStrategyOptions<bool>
-            {
-                ShouldHandle = new PredicateBuilder<bool>()
-                    .Handle<HttpOperationException>(ex =>
-                        ex.Response.StatusCode == HttpStatusCode.ServiceUnavailable)
-                    .HandleResult(false),
-                MaxRetryAttempts = 10,
-                Delay = TimeSpan.FromSeconds(1)
-            })
-            .AddTimeout(TimeSpan.FromSeconds(30))
-            .Build();
-
-
     [Fact]
     public async Task LivenessHealthCheck_Should_Return_Healthy()
     {
         var httpClient = _integrationFixture.Reflector.CreateClient();
         var settings = _integrationFixture.Reflector.Services.GetRequiredService<IgniteSettings>();
+
         var response = await httpClient.GetAsync(settings.AspNetCore.HealthChecks.LivenessEndpointPath,
             TestContext.Current.CancellationToken);
-
         Assert.Equal(HttpStatusCode.OK,response.StatusCode);
-        Assert.Equal("text/plain", response.Content.Headers.ContentType?.MediaType);
-        var content = await response.Content.ReadAsStringAsync(TestContext.Current.CancellationToken);
-        Assert.Equal("Healthy", content);
     }
 
     [Fact]
@@ -57,14 +38,8 @@ public async Task ReadinessHealthCheck_Should_Return_Healthy()
         var settings = _integrationFixture.Reflector.Services.GetRequiredService<IgniteSettings>();
         var httpClient = _integrationFixture.Reflector.CreateClient();
 
-        await HealthCheckResiliencePipeline.ExecuteAsync(async token =>
-        {
-            var response = await httpClient.GetAsync(settings.AspNetCore.HealthChecks.ReadinessEndpointPath,
-                TestContext.Current.CancellationToken);
-            response.EnsureSuccessStatusCode();
-            return response.StatusCode == HttpStatusCode.OK;
-        }, TestContext.Current.CancellationToken);
-
-        
+        var response = await httpClient.GetAsync(settings.AspNetCore.HealthChecks.ReadinessEndpointPath,
+            TestContext.Current.CancellationToken);
+        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
     }
 }