Systems are considered equal, even if they have different events

[TorkelE]

In some cases, systems are marked as equal, even if they are not. One example are systems with different events.

Here, the last 3 cases should return false.

using ModelingToolkit
import ModelingToolkit.t_nounits as t
import ModelingToolkit.D_nounits as D

@variables X(t)
@parameters p d
eq = D(X) ~ p - d*X

osys1 = complete(ODESystem([eq], t; name = :osys))
osys2 = complete(ODESystem([eq], t; name = :osys))
osys1 == osys2 # true

continuous_events = [[X ~ 1.0] => [X ~ X + 5.0]]
discrete_events = [5.0 => [d ~ d / 2.0]]

osys1 = complete(ODESystem([eq], t; name = :osys, continuous_events))
osys2 = complete(ODESystem([eq], t; name = :osys))
osys1 == osys2 # true

osys1 = complete(ODESystem([eq], t; name = :osys, discrete_events))
osys2 = complete(ODESystem([eq], t; name = :osys))
osys1 == osys2 # true

osys1 = complete(ODESystem([eq], t; name = :osys, continuous_events))
osys2 = complete(ODESystem([eq], t; name = :osys, discrete_events))
osys1 == osys2 # true