[6.8] Mute CertificateToolTests.testCreateCaAndMultipleInstances and testTrustBetweenPEMandPKCS12 on Java 8 (#73587)

Partial backport of #72529 for 6.8

Relates #72359

Author: tlrx

x-pack/plugin/security/cli/src/test/java/org/elasticsearch/xpack/security/cli/CertificateToolTests.java

@@ -24,6 +24,7 @@
 import org.bouncycastle.openssl.PEMEncryptedKeyPair;
 import org.bouncycastle.openssl.PEMParser;
 import org.bouncycastle.pkcs.PKCS10CertificationRequest;
+import org.elasticsearch.bootstrap.JavaVersion;
 import org.elasticsearch.cli.MockTerminal;
 import org.elasticsearch.cli.Terminal;
 import org.elasticsearch.cli.UserException;
@@ -526,6 +527,9 @@ public void testNameValues() throws Exception {
      * - Checks that all 3 certificates have the right values based on the command line options provided during generation
      */
     public void testCreateCaAndMultipleInstances() throws Exception {
+        assumeFalse("JDK bug JDK-8266279, https://github.com/elastic/elasticsearch/issues/72359",
+                JavaVersion.current().compareTo(JavaVersion.parse("8")) == 0);
+
         final Path tempDir = initTempDir();
 
         final Terminal terminal = new MockTerminal();
@@ -656,6 +660,9 @@ Path resolveOutputPath(Terminal terminal, OptionSet options, String defaultFilen
      * - Checks that the PKCS12 certificate and the PEM certificate trust one another
      */
     public void testTrustBetweenPEMandPKCS12() throws Exception {
+        assumeFalse("JDK bug JDK-8266279, https://github.com/elastic/elasticsearch/issues/72359",
+                JavaVersion.current().compareTo(JavaVersion.parse("8")) == 0);
+
         final Path tempDir = initTempDir();
 
         final MockTerminal terminal = new MockTerminal();