// Execute with target model 4.1.0 (should create .mvn directory to avoid root warnings)
            upgradeGoal.testExecuteWithTargetModel(context, "4.1.0");

            Path mvnDir = projectDir.resolve(".mvn");
            assertTrue(
                    Files.exists(mvnDir),
                    ".mvn directory should be created for 4.1.0 to avoid root directory warnings");
        }

        @Test

    private final Map<Object, TestDescriptorInternal> activeDescriptorsById = new HashMap<>();

    /**
     * gradle structures tests in a tree structure with the test task itself
     * being the root element. This is required to be tracked here to get the
     * structure right when rerunning a test task tests.
     * */
    private TestDescriptorInternal rootTestDescriptor;

        // Test getMailSubjectTestPrefix
        assertEquals("[Test]", fessEnv.getMailSubjectTestPrefix());

        // Test getMailReturnPath
        assertEquals("root@localhost", fessEnv.getMailReturnPath());
    }

    // Test custom properties
    public void xtest_customProperties() {
        // Create custom FessEnv with custom properties

<img src="/img/tutorial/sub-applications/image02.png">

두 사용자 인터페이스 중 어느 것과 상호작용을 시도하더라도 올바르게 동작할 것입니다. 브라우저가 각 특정 앱 또는 하위 앱과 통신할 수 있기 때문입니다.

### 기술적 세부사항: `root_path` { #technical-details-root-path }

위에서 설명한 대로 하위 애플리케이션을 마운트하면, FastAPI는 ASGI 명세의 메커니즘인 `root_path`를 사용해 하위 애플리케이션에 대한 마운트 경로를 전달하는 작업을 처리합니다.

이렇게 하면 하위 애플리케이션은 문서 UI를 위해 해당 경로 접두사를 사용해야 한다는 것을 알게 됩니다.

        return systemHelper.getRedirectResponseToLogin(redirect(SsoAction.class));
    }

    /**
     * Redirects the user to the root path of the application.
     *
     * @return HTML response that redirects to the root page
     */
    protected HtmlResponse redirectToRoot() {
        return systemHelper.getRedirectResponseToRoot(newHtmlResponseAsRedirect("/"));
    }

    /**

ip-vertical{-ms-filter:"progid:DXImageTransform.Microsoft.BasicImage(rotation=2, mirror=1)"}.fa-flip-both,.fa-flip-horizontal.fa-flip-vertical{-webkit-transform:scale(-1);transform:scale(-1)}:root .fa-flip-both,:root .fa-flip-horizontal,:root .fa-flip-vertical,:root .fa-rotate-90,:root .fa-rotate-180,:root .fa-rotate-270{-webkit-filter:none;filter:none}.fa-stack{display:inline-block;height:2em;line-height:2em;position:relative;vertical-align:middle;width:2.5em}.fa-stack-1x,.fa-stack-2x{left:0;po...

              </compileSourceRoots>

              <!--
                JPMS needs access to the module sources to complete a modular Java build. We also need to override
                the base compiler settings (in the root `pom.xml`) to enable MRJAR output.
              -->
              <compilerArgs combine.self="override">
                <arg>-sourcepath</arg>
                <arg>${project.basedir}/src</arg>

              </compileSourceRoots>

              <!--
                JPMS needs access to the module sources to complete a modular Java build. We also need to override
                the base compiler settings (in the root `pom.xml`) to enable MRJAR output.
              -->
              <compilerArgs combine.self="override">
                <arg>-sourcepath</arg>
                <arg>${project.basedir}/src</arg>

    assertFalse(Files.isFile().apply(dir));

    assertFalse(Files.isDirectory().apply(asciiFile));
    assertTrue(Files.isFile().apply(asciiFile));
  }

  /** Returns a root path for the file system. */
  private static File root() {
    return File.listRoots()[0];
  }

  /** Returns a {@code File} object for the given path parts. */
  private static File file(String first, String... more) {

    }

    @Test
    void messageAndCauseConstructor_acceptsNullMessage_edgeCase() {
        // Arrange
        Throwable cause = new RuntimeException("root cause");

        // Act
        SMBProtocolDowngradeException ex = new SMBProtocolDowngradeException(null, cause);

        // Assert - null message retained; cause preserved
        assertNull(ex.getMessage());