add two fail test back to the list

Author: mubarak23

tests/failing-ui-tests.txt

@@ -16,8 +16,10 @@ tests/ui/asm/x86_64/may_unwind.rs
 tests/ui/backtrace.rs
 tests/ui/catch-unwind-bang.rs
 tests/ui/drop/dynamic-drop-async.rs
+tests/ui/cfg/cfg-panic-abort.rs
 tests/ui/drop/repeat-drop.rs
 tests/ui/coroutine/panic-drops-resume.rs
+format-args-capture.rs
 tests/ui/coroutine/panic-drops.rs
 tests/ui/intrinsics/panic-uninitialized-zeroed.rs
 tests/ui/iterators/iter-sum-overflow-debug.rs