Debugging pluginval question

When running level 10 tests in pluginval (which is an AWESOME tool) I sometimes get this inconsistent error:

Starting test: pluginval / Plugin state restoration...
!!! Test 1 failed: Parameters not restored on setStateInformation -- Expected value  within 0.1 of: 126.763, Actual value: 127.656

How can I debug it? Is there a place where I can set a breakpoint to catch the specific parameter which is failing? In the same way that a breakpoint in AllocatorInterceptor::logAllocationViolation() will catch Allocations during process errors.