assertNotNull(exception);
        assertEquals("Top level GSA error", exception.getMessage());

        // Check first level cause
        assertNotNull(exception.getCause());
        assertEquals("Intermediate problem", exception.getCause().getMessage());

        // Check second level cause
        assertNotNull(exception.getCause().getCause());

        // Assert: verify interaction and returned value
        verify(renewable, times(1)).renew();
        assertSame(returned, result, "renew() should return the stubbed value");

        // Negative interaction check: no further interactions with the mock
        verifyNoMoreInteractions(renewable);
    }

    @Test
    @DisplayName("Edge: calling renew() on a null reference throws NPE")
    void renewOnNullReferenceThrowsNPE() {

	if !trw.headerWritten {
		t.Fatal("headerWritten was not set by WriteHeader call")
	}

	_, err := trw.Write([]byte("hello"))
	if err != nil {
		t.Fatalf("Write unexpectedly failed: %v", err)
	}

	// Check that WriteHeader and Write were called on the underlying response writer
	resp := rw.Result()
	if resp.StatusCode != 123 {
		t.Fatalf("unexpected status: %v", resp.StatusCode)
	}
	body, err := io.ReadAll(resp.Body)

            include ':${projName}'
            """

            file("${projName}/build.gradle") << """
                plugins {
                  id 'elasticsearch.internal-distribution-archive-check'
                }"""
        }
        file("SomeFile.txt") << """
            some dummy txt file
        """

        buildFile << """
            allprojects {
                apply plugin:'base'

        <groupId>org.codehaus.mojo</groupId>
        <artifactId>animal-sniffer-maven-plugin</artifactId>
        <configuration>
          <checkTestClasses>false</checkTestClasses> <!-- TODO(cpovirk): Consider checking them. -->
        </configuration>
      </plugin>
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>build-helper-maven-plugin</artifactId>

		},
		// Test case - 4
		// Check for presigned.
		{
			req: &http.Request{
				URL: &url.URL{
					Host:     "127.0.0.1:9000",
					Scheme:   httpScheme,
					Path:     SlashSeparator,
					RawQuery: "X-Amz-Credential=EXAMPLEINVALIDEXAMPL%2Fs3%2F20160314%2Fus-east-1",
				},
			},
			authT: authTypePresigned,
		},
		// Test case - 5
		// Check for post policy.
		{
			req: &http.Request{

For this, you use the `TestClient` in a `with` statement, connecting to the WebSocket:

{* ../../docs_src/app_testing/tutorial002_py310.py hl[27:31] *}

/// note

For more details, check Starlette's documentation for [testing WebSockets](https://www.starlette.dev/testclient/#testing-websocket-sessions).

import static com.google.common.truth.Truth.assertWithMessage;

import com.google.common.testing.AbstractPackageSanityTests;
import org.jspecify.annotations.NullUnmarked;

/**
 * Covers basic sanity checks for the entire package.
 *
 * @author Kurt Alfred Kluever
 */

@NullUnmarked
public class PackageSanityTests extends AbstractPackageSanityTests {

  private static final AbstractGraphBuilder<?> graphBuilderA =

#!/usr/bin/env bash
set -x

ruff check fastapi tests docs_src scripts --fix

{* ../../docs_src/metadata/tutorial004_py310.py hl[21,26] *}

/// info

Read more about tags in [Path Operation Configuration](path-operation-configuration.md#tags).

///

### Check the docs { #check-the-docs }

Now, if you check the docs, they will show all the additional metadata:

<img src="/img/tutorial/metadata/image02.png">

### Order of tags { #order-of-tags }