mempool tests fail on dev against new framework

[fluidvanadium]

#1401 describes some of the details of the problem

experiment 02:
hypothesis: newer zcashd version caused slowdown

1726599570 || (HEAD detached at labs/dev)[ ] 51e3e1fc5
/home/cupress/ZINGO/libs/zingolib: 0
$cargo nextest run simpool_zero_value_change_orchard_to_sapling
    Finished `test` profile [optimized] target(s) in 0.79s
    Starting 1 test across 18 binaries (329 skipped)
        SLOW [> 60.000s] libtonode-tests::chain_generics chain_generics::simpool_zero_value_change_orchard_to_sapling
        SLOW [>120.000s] libtonode-tests::chain_generics chain_generics::simpool_zero_value_change_orchard_to_sapling
        PASS [ 134.465s] libtonode-tests::chain_generics chain_generics::simpool_zero_value_change_orchard_to_sapling
------------
     Summary [ 134.465s] 1 test run: 1 passed (1 slow), 329 skipped
1726680674 || (HEAD detached at labs/dev)[ ?? ] 51e3e1fc5
/home/cupress/ZINGO/libs/zingolib: 0
$cargo nextest run simpool_zero_value_change_orchard_to_sapling
    Finished `test` profile [optimized] target(s) in 0.16s
    Starting 1 test across 18 binaries (329 skipped)
        SLOW [> 60.000s] libtonode-tests::chain_generics chain_generics::simpool_zero_value_change_orchard_to_sapling
        PASS [  74.089s] libtonode-tests::chain_generics chain_generics::simpool_zero_value_change_orchard_to_sapling
------------
     Summary [  74.089s] 1 test run: 1 passed (1 slow), 329 skipped
1726680930 || (HEAD detached at labs/dev)[ ?? ?? ] 51e3e1fc5

result: upgraded zcashd version increased speed of test
hypothesis invalidated

[nachog00]

Do you recall the version of zcashd on these runs @fluidvanadium ?

[fluidvanadium]

tested both 5.7.0 and 5.7.10 with no issues