Configure these without a connection string. These set up the connection later on

test/EFCore.Jet.FunctionalTests/KeysWithConvertersJetTest.cs

@@ -21,6 +21,6 @@ public class KeysWithConvertersJetTest : KeysWithConvertersTestBase<
             => JetTestStoreFactory.Instance;
 
         public override DbContextOptionsBuilder AddOptions(DbContextOptionsBuilder builder)
-            => builder.UseJet(JetTestStore.CreateConnectionString("KeysWithConvertersJetTest"), TestEnvironment.DataAccessProviderFactory);
+            => builder.UseJet();
     }
 }

test/EFCore.Jet.FunctionalTests/ModelBuilding101JetTest.cs

@@ -6,5 +6,5 @@ namespace EntityFrameworkCore.Jet.FunctionalTests;
 public class ModelBuilding101JetTest : ModelBuilding101RelationalTestBase
 {
     protected override DbContextOptionsBuilder ConfigureContext(DbContextOptionsBuilder optionsBuilder)
-        => optionsBuilder.UseJet(TestEnvironment.DefaultConnection); // TODO: Use TestEnvironment.DataAccessProviderFactory/...Type instead.
+        => optionsBuilder.UseJet();
 }