Fix test assertion after refactor

Author: Mats-SX

core/src/test/java/org/neo4j/gds/core/concurrency/PoolSizesServiceTest.java

@@ -23,7 +23,6 @@
 import org.neo4j.gds.concurrency.PoolSizesService;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.assertj.core.api.AssertionsForClassTypes.assertThatThrownBy;
 
 class PoolSizesServiceTest {
 

pregel-proc-generator/src/test/java/org/neo4j/gds/pregel/generator/AlgorithmGeneratorTest.java

@@ -61,7 +61,7 @@ void shouldGenerateConstructor() {
             "    org.neo4j.gds.core.utils.progress.tasks.ProgressTracker progressTracker) {" + NL +
             "  super(progressTracker);" + NL +
             "  var computation = new a.b.C();" + NL +
-            "  this.pregelJob = org.neo4j.gds.beta.pregel.Pregel.create(graph, configuration, computation, org.neo4j.gds.core.concurrency.ExecutorServices.DEFAULT, progressTracker);" + NL +
+            "  this.pregelJob = org.neo4j.gds.beta.pregel.Pregel.create(graph, configuration, computation, org.neo4j.gds.core.concurrency.DefaultPool.INSTANCE, progressTracker);" + NL +
             "}" + NL
         );
     }