Fix and unmute entitlements unit tests

libs/entitlement/src/test/java/org/elasticsearch/entitlement/runtime/policy/PolicyManagerTests.java

@@ -508,7 +508,7 @@ public void testFilesEntitlementsWithExclusive() {
         assertThat(
             iae.getMessage(),
             allOf(
-                containsString("Path [/base/test] is already exclusive"),
+                containsString("Path [" + testPath1 + "] is already exclusive"),
                 containsString("[plugin1][test.module1]"),
                 containsString("[plugin2][test.module2]"),
                 containsString("cannot add exclusive access")

muted-tests.yml

@@ -273,9 +273,6 @@ tests:
 - class: org.elasticsearch.xpack.esql.heap_attack.HeapAttackIT
   method: testLookupExplosionNoFetch
   issue: https://github.com/elastic/elasticsearch/issues/123432
-- class: org.elasticsearch.entitlement.runtime.policy.FileAccessTreeTests
-  method: testDuplicatePrunedPaths
-  issue: https://github.com/elastic/elasticsearch/issues/124006
 - class: org.elasticsearch.multiproject.test.CoreWithMultipleProjectsClientYamlTestSuiteIT
   method: test {yaml=search.vectors/41_knn_search_bbq_hnsw/Vector rescoring has same scoring as exact search for kNN section}
   issue: https://github.com/elastic/elasticsearch/issues/124052
@@ -303,9 +300,6 @@ tests:
 - class: org.elasticsearch.env.NodeEnvironmentTests
   method: testIndexCompatibilityChecks
   issue: https://github.com/elastic/elasticsearch/issues/124388
-- class: org.elasticsearch.entitlement.runtime.policy.PolicyManagerTests
-  method: testFilesEntitlementsWithExclusive
-  issue: https://github.com/elastic/elasticsearch/issues/124420
 - class: org.elasticsearch.xpack.restart.FullClusterRestartIT
   method: testWatcherWithApiKey {cluster=UPGRADED}
   issue: https://github.com/elastic/elasticsearch/issues/124159