String requiredMavenVersion = (String) result.getProperties().get("prerequisites.maven");
            if (requiredMavenVersion != null) {
                Map<String, String> props = new LinkedHashMap<>(pluginArtifact.getProperties());
                props.put("requiredMavenVersion", requiredMavenVersion);
                pluginArtifact = pluginArtifact.setProperties(props);
            }

        originalSystemProperties = (Properties) System.getProperties().clone();
        // Reset static state of the Handler class before each test for isolation
        resetHandlerState();
        handler = new Handler(mockCifsContext);
    }

    @AfterEach
    void tearDown() throws Exception {
        // Restore system properties and clean up static state
        System.setProperties(originalSystemProperties);
        resetHandlerState();

    /**
     * Set the properties to be used for configuration.
     *
     * @param prp the properties to set
     */
    public static void setProperties(final Properties prp) {
        Config.prp = new Properties(prp);
        try {
            Config.prp.putAll(System.getProperties());
        } catch (final SecurityException se) {
            if (LogStream.level > 1) {

                throw handleException(context, e);
            }
        } finally {
            Thread.currentThread().setContextClassLoader(oldCL);
            System.setProperties(oldProps);
        }
    }

    protected int doInvoke(C context) throws Exception {
        validate(context);
        pushCoreProperties(context);
        pushUserProperties(context);

        model.addProperty("key1", "value1");
        model.addProperty("key2", "value2");
        assertEquals(2, model.getProperties().size());

        // This should not throw NullPointerException
        model.getProperties().clear();
        assertEquals(0, model.getProperties().size());
    }

        assertEquals("true", depArtifact.getProperty("constitutesBuildPath", null));
        assertEquals("false", depArtifact.getProperty("includesDependencies", null));
        assertEquals(4, depArtifact.getProperties().size());

        assertEquals("compile", dep2.getScope());
        assertFalse(dep2.isOptional(), "Expected " + dep2 + ".isOptional() to return false");
        assertEquals(0, dep2.getExclusions().size());

                            BUILD_POM_CLASSIFIER,
                            main.getExtension(),
                            main.getVersion(),
                            main.getProperties(),
                            main.getPath()));
                }
                // If deployBuildPom is false, we simply don't add the build POM to the result
            }

        Properties properties = getMavenProject(project).getProperties();
        if (value == null) {
            properties.remove(key);
        } else {
            properties.setProperty(key, value);
        }
    }

    @Override
    @Nonnull
    public Map<String, String> getProperties(@Nonnull Project project) {
        return Collections.unmodifiableMap(

     *
     * @param cmdList the command list to add properties to
     */
    protected void addFessConfigProperties(final List<String> cmdList) {
        System.getProperties()
                .keySet()
                .stream()
                .filter(k -> k != null && k.toString().startsWith(Constants.FESS_CONFIG_PREFIX))

                new BaseContext(new PropertyConfiguration(System.getProperties())), "domain", "user", "password");
        when(mockCifsContext.getCredentials()).thenReturn(creds);
        when(mockCifsContext.getConfig()).thenReturn(new PropertyConfiguration(System.getProperties()));
        when(mockCifsContext.getNameServiceClient()).thenReturn(mockNameServiceClient);