Diagnose test failure in cibuild

Author: bkoelman

test/OpenApiKiotaEndToEndTests/Headers/ETagTests.cs

@@ -53,6 +53,13 @@ await _testContext.RunOnDatabaseAsync(async dbContext =>
         Stream? response = await apiClient.Countries.HeadAsync(configuration => configuration.Options.Add(headerInspector));
 
         // Assert
+
+        if (response != null)
+        {
+            string content = await new StreamReader(response).ReadToEndAsync();
+            true.Should().BeFalse(content);
+        }
+
         response.Should().BeNull();
 
         headerInspector.ResponseHeaders.Should().ContainKey(HeaderNames.ETag).WhoseValue.Should().NotBeNullOrEmpty();