turn off experiments in ioc

Author: Ian Huff

src/test/datascience/dataScienceIocContainer.ts

@@ -827,9 +827,9 @@ export class DataScienceIocContainer extends UnitTestIocContainer {
  instance(packageService)
  );
 
- // Enable experiments.
+ // Turn off experiments.
  const experimentManager = mock(ExperimentsManager);
- when(experimentManager.inExperiment(anything())).thenReturn(true);
+ when(experimentManager.inExperiment(anything())).thenReturn(false);
  when(experimentManager.activate()).thenResolve();
  this.serviceManager.addSingletonInstance<IExperimentsManager>(IExperimentsManager, instance(experimentManager));