// simulate new request
MasterDefRegistry mdr = getAuraMDR();
AuraContext ctx = Aura.getContextService().getCurrentContext();
Mode mode = ctx.getMode();
Format format = ctx.getFormat();
Authentication access = ctx.getAccess();
Aura.getContextService().endContext();
Aura.getContextService().startContext(mode, format, access);
MasterDefRegistry mdr2 = getAuraMDR();
assertFalse("MasterDefRegistry should be different after restart of context", mdr == mdr2);