TASK: Use latest Neos version for testing

Author: daniellienert

.travis.yml

@@ -13,7 +13,7 @@ matrix:
       env: ES=5
 
 before_install:
-  - export NEOS_TARGET_VERSION=5.1
+  - export NEOS_TARGET_VERSION=5.2
   - cd ..
   - if [ "$ES" = 5 ]; then wget --no-check-certificate https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.6.15.zip && unzip elasticsearch-5.6.15.zip && mv elasticsearch-5.6.15 elasticsearch; fi
   - cd elasticsearch

Tests/Unit/Eel/ElasticSearchQueryBuilderTest.php

@@ -172,7 +172,7 @@ public function basicRequestStructureTakesContextNodeIntoAccount(): void
      */
     public function queryFilterThrowsExceptionOnInvalidClauseType(): void
     {
-        $this->expectException( QueryBuildingException::class);
+        $this->expectException(QueryBuildingException::class);
         $this->queryBuilder->queryFilter('foo', [], 'unsupported');
     }