SOLR-12759: Disable ExtractingRequestHandlerTest on JDK 11 due to

JDK bug with timezone locale and Date.toString

solr/contrib/extraction/src/test/org/apache/solr/handler/extraction/ExtractingRequestHandlerTest.java

@@ -41,6 +41,8 @@ public class ExtractingRequestHandlerTest extends SolrTestCaseJ4 {
 
   @BeforeClass
   public static void beforeClass() throws Exception {
+    assertFalse("SOLR-12759 JDK 11 (1st release) and Tika 1.x can result in extracting dates in a bad format.",
+        System.getProperty("java.version").startsWith("11"));
     initCore("solrconfig.xml", "schema.xml", getFile("extraction/solr").getAbsolutePath());
   }