diff --git a/Rdmp.Core.Tests/Curation/Integration/QueryBuildingTests/AggregateBuilderTests/AggregateDataBasedTests.cs b/Rdmp.Core.Tests/Curation/Integration/QueryBuildingTests/AggregateBuilderTests/AggregateDataBasedTests.cs
index ae3486e6c1..285e22ecb4 100644
--- a/Rdmp.Core.Tests/Curation/Integration/QueryBuildingTests/AggregateBuilderTests/AggregateDataBasedTests.cs
+++ b/Rdmp.Core.Tests/Curation/Integration/QueryBuildingTests/AggregateBuilderTests/AggregateDataBasedTests.cs
@@ -111,7 +111,7 @@ private static DataTable GetResultForBuilder(AggregateBuilder builder, Discovere
 
     private static void AddWHEREToBuilder_CategoryIsTOrNumberGreaterThan42(AggregateBuilder builder, DatabaseType type)
     {
-        var syntaxHelper = QuerySyntaxHelperFactory.Create(type);
+        var syntaxHelper = new QuerySyntaxHelperFactory().Create(type);
         var declaration = syntaxHelper.GetParameterDeclaration("@category", new DatabaseTypeRequest(typeof(string), 1));
 
         var repo = new MemoryCatalogueRepository();
diff --git a/Tests.Common/Scenarios/TestsRequiringA.cs b/Tests.Common/Scenarios/TestsRequiringA.cs
index a337056a7e..e2b6dff354 100644
--- a/Tests.Common/Scenarios/TestsRequiringA.cs
+++ b/Tests.Common/Scenarios/TestsRequiringA.cs
@@ -43,7 +43,7 @@ protected DiscoveredTable CreateDataset<T>(DiscoveredDatabase db, int people, in
     protected DiscoveredTable CreateDataset<T>(DiscoveredDatabase db, PersonCollection people, int rows, Random r)
         where T : IDataGenerator
     {
-        var instance = DataGeneratorFactory.Create<T>(r);
+        var instance = new DataGeneratorFactory().Create<T>(r);
 
         var dt = instance.GetDataTable(people, rows);