Tests

feat: mark `getproperty(::AbstractSystem, ::Symbol)` as non-differentiable #1279

Job	Run time
Tests (1, Downstream) / Tests - Downstream	20m 56s
Tests (1, Extended) / Tests - Extended	15m 15s
Tests (1, Extensions) / Tests - Extensions	34m 5s
Tests (1, FMI) / Tests - FMI	22m 0s
Tests (1, Initialization) / Tests - Initialization	25m 50s
Tests (1, InterfaceI) / Tests - InterfaceI	41m 16s
Tests (1, InterfaceII) / Tests - InterfaceII	34m 43s
Tests (1, RegressionI) / Tests - RegressionI	11m 25s
Tests (1, SymbolicIndexingInterface) / Tests - SymbolicIndexingInterface	16m 12s
Tests (lts, Downstream) / Tests - Downstream	12m 40s
Tests (lts, Extended) / Tests - Extended	8m 35s
Tests (lts, Extensions) / Tests - Extensions	22m 42s
Tests (lts, FMI) / Tests - FMI	10m 49s
Tests (lts, Initialization) / Tests - Initialization	16m 23s
Tests (lts, InterfaceI) / Tests - InterfaceI	25m 35s
Tests (lts, InterfaceII) / Tests - InterfaceII	31m 17s
Tests (lts, RegressionI) / Tests - RegressionI	8m 11s
Tests (lts, SymbolicIndexingInterface) / Tests - SymbolicIndexingInterface	9m 5s
Tests (pre, Downstream) / Tests - Downstream	20m 53s
Tests (pre, Extended) / Tests - Extended	15m 42s
Tests (pre, Extensions) / Tests - Extensions	34m 12s
Tests (pre, FMI) / Tests - FMI	20m 10s
Tests (pre, InterfaceI) / Tests - InterfaceI	36m 11s
Tests (pre, Initialization) / Tests - Initialization	24m 45s
Tests (pre, InterfaceII) / Tests - InterfaceII	35m 48s
Tests (pre, RegressionI) / Tests - RegressionI	12m 22s
Tests (pre, SymbolicIndexingInterface) / Tests - SymbolicIndexingInterface	16m 23s
	9h 43m 25s

Provide feedback