assertEquals("[テスト環境]", specialMailEnv.getMailSubjectTestPrefix());
        assertEquals("******@****.***", specialMailEnv.getMailReturnPath());
    }

    // Test deploy mode variations
    public void xtest_deployModeVariations() {
        String[] deployModes = { "hot", "cool", "warm" };

        for (String mode : deployModes) {
            FessEnv.SimpleImpl deployEnv = new FessEnv.SimpleImpl() {

    }

    public void test_execute_caseInsensitiveScriptType() {
        // Setup test script engine
        scriptEngineFactory.add("TestEngine", testScriptEngine);

        // Execute with different case variations
        Object result1 = scriptExecutor.execute("testengine", "script1");
        assertEquals("processed: script1", result1);

        Object result2 = scriptExecutor.execute("TESTENGINE", "script2");

        BucketOrder order = facetInfo.getBucketOrder();
        assertNotNull(order);
        assertEquals(BucketOrder.count(false), order); // default
    }

    // Test getBucketOrder with case variations
    public void test_getBucketOrder_caseVariations() {
        facetInfo.sort = "COUNT.DESC";
        BucketOrder order = facetInfo.getBucketOrder();
        assertNotNull(order);

    checkArgument(parts.size() <= MAX_PARTS, "Domain has too many parts: '%s'", name);
    checkArgument(validateSyntax(parts), "Not a valid domain name: '%s'", name);
  }

  /**
   * Internal constructor that skips validations when creating an instance from parts of an
   * already-validated InternetDomainName, as in {@link ancestor}.
   */
  private InternetDomainName(String name, ImmutableList<String> parts) {

- Included an additional resource labeltransformation in on_operations_total metric which could be used for resource specific validations for example handling of encryption config by the apiserver. ([#126512](https://github.com/kubernetes/kubernetes/pull/126512), [@kmala](https://github.com/kmala)) [SIG API Machinery, Auth, Etcd and Testing]

    - name: 'exclude-default-servicecidr'
      expression: "object.metadata.name != 'kubernetes'"
    variables:
    - name: allowed
      expression: "['10.96.0.0/16','2001:db8::/64']"
    validations:
    - expression: "object.spec.cidrs.all(i , variables.allowed.exists(j , cidr(j).containsCIDR(i)))"
  ---
  apiVersion: admissionregistration.k8s.io/v1
  kind: ValidatingAdmissionPolicyBinding
  metadata:

- The ValidatingAdmissionPolicy metrics have been redone to count and time all validations, including failures and admissions. ([#126124](https://github.com/kubernetes/kubernetes/pull/126124), [@cici37](https://github.com/cici37)) [SIG API Machinery and Instrumentation]