Fixed TextRollingUpgradeIT (elastic#135483)

* Fixed TextRollingUpgradeIT

* [CI] Auto commit changes from spotless

---------

Co-authored-by: elasticsearchmachine <[email protected]>

Author: Kubik42

muted-tests.yml

@@ -452,15 +452,6 @@ tests:
 - class: org.elasticsearch.simdvec.ESVectorUtilTests
   method: testSoarDistance
   issue: https://github.com/elastic/elasticsearch/issues/135139
-- class: org.elasticsearch.upgrades.TextRollingUpgradeIT
-  method: testIndexing {upgradedNodes=1}
-  issue: https://github.com/elastic/elasticsearch/issues/135236
-- class: org.elasticsearch.upgrades.TextRollingUpgradeIT
-  method: testIndexing {upgradedNodes=3}
-  issue: https://github.com/elastic/elasticsearch/issues/135237
-- class: org.elasticsearch.upgrades.TextRollingUpgradeIT
-  method: testIndexing {upgradedNodes=2}
-  issue: https://github.com/elastic/elasticsearch/issues/135238
 
 # Examples:
 #

x-pack/plugin/logsdb/qa/rolling-upgrade/src/javaRestTest/java/org/elasticsearch/upgrades/TextRollingUpgradeIT.java

@@ -81,7 +81,7 @@ public class TextRollingUpgradeIT extends AbstractRollingUpgradeWithSecurityTest
         }""";
 
     // when sorted, this message will appear at the top and hence can be used to validate query results
-    private String smallestMessage;
+    private static String smallestMessage;
 
     public TextRollingUpgradeIT(@Name("upgradedNodes") int upgradedNodes) {
         super(upgradedNodes);