Tests

feat: throw error when differentiating registered function with no derivative in `structural_simplify` #1322

Job	Run time
Tests (1, Downstream) / Tests - Downstream	17m 57s
Tests (1, Extended) / Tests - Extended	16m 23s
Tests (1, Extensions) / Tests - Extensions	35m 30s
Tests (1, FMI) / Tests - FMI	21m 50s
Tests (1, Initialization) / Tests - Initialization	26m 11s
Tests (1, InterfaceI) / Tests - InterfaceI	38m 18s
Tests (1, InterfaceII) / Tests - InterfaceII	35m 29s
Tests (1, RegressionI) / Tests - RegressionI	12m 27s
Tests (1, SymbolicIndexingInterface) / Tests - SymbolicIndexingInterface	18m 21s
Tests (lts, Downstream) / Tests - Downstream	9m 48s
Tests (lts, FMI) / Tests - FMI	13m 9s
Tests (lts, Extended) / Tests - Extended	9m 16s
Tests (lts, Extensions) / Tests - Extensions	24m 22s
Tests (lts, Initialization) / Tests - Initialization	17m 44s
Tests (lts, InterfaceI) / Tests - InterfaceI	25m 10s
Tests (lts, InterfaceII) / Tests - InterfaceII	19m 22s
Tests (lts, RegressionI) / Tests - RegressionI	8m 25s
Tests (lts, SymbolicIndexingInterface) / Tests - SymbolicIndexingInterface	9m 36s
Tests (pre, Downstream) / Tests - Downstream	20m 17s
Tests (pre, Extended) / Tests - Extended	16m 3s
Tests (pre, FMI) / Tests - FMI	23m 4s
Tests (pre, Extensions) / Tests - Extensions	42m 30s
Tests (pre, Initialization) / Tests - Initialization	26m 43s
Tests (pre, InterfaceII) / Tests - InterfaceII	37m 10s
Tests (pre, InterfaceI) / Tests - InterfaceI	38m 0s
Tests (pre, RegressionI) / Tests - RegressionI	13m 31s
Tests (pre, SymbolicIndexingInterface) / Tests - SymbolicIndexingInterface	17m 43s
	9h 54m 19s

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