Add failing test for abstract subclass build error #1571

Job	Run time
Docs	1m 7s
Examples Rust nightly	9m 51s
Examples Rust beta	6m 53s
Examples Rust stable	7m 26s
Examples macOS	13m 58s
Examples Windows (gnu)	7m 54s
Examples Windows (msvc)	3m 50s
Clippy	48s
Format	18s
Test forcing wrapper generation	12m 14s
Outdated	15s
Address Sanitizer	22m 21s
Test Rust nightly	11m 26s
Test Rust beta	11m 46s
Test Rust stable	11m 48s
Test macOS	22m 27s
Test Windows (msvc)	4m 54s
	2h 29m 16s

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