Fix tests: Use helper method to create connection - will use database named for the test - gives each test a unique name so doesnt interfere with others at the same time. The rest of the tests already use it, these couple were just missed

test/EFCore.Jet.IntegrationTests/BooleanMaterializationTest2.cs

@@ -18,7 +18,7 @@ namespace EntityFrameworkCore.Jet.IntegrationTests
 
         protected override DbConnection GetConnection()
         {
-            return AssemblyInitialization.Connection;
+            return Helpers.GetJetConnection();
         }
 
         public override void CleanUp()

test/EFCore.Jet.IntegrationTests/DataTypesTest.cs

@@ -49,7 +49,7 @@ namespace EntityFrameworkCore.Jet.IntegrationTests
 
         protected override DbConnection GetConnection()
         {
-            return AssemblyInitialization.Connection;
+            return Helpers.GetJetConnection();
         }
     }
 }

test/EFCore.Jet.IntegrationTests/DmlBaseTest.cs

@@ -100,6 +100,7 @@ namespace EntityFrameworkCore.Jet.IntegrationTests
 
         }
 
-
+        protected override DbConnection GetConnection()
+            => Helpers.GetJetConnection();
     }
 }