Run prepared_xacts independently in parallel schedule of regression
Run prepared_xacts independently in parallel schedule of regression

This test cannot run in parallel due to the nature of XC to use
implicit 2PC when a transaction involved several nodes with a write
operation.

pavanvd/postgres-xl,techdragon/Postgres-XL,arcivanov/postgres-xl,techdragon/Postgres-XL,arcivanov/postgres-xl,oberstet/postgres-xl,arcivanov/postgres-xl,snaga/postgres-xl,pavanvd/postgres-xl,postmind-net/postgres-xl,zeroae/postgres-xl,zeroae/postgres-xl,yazun/postgres-xl,postmind-net/postgres-xl,ovr/postgres-xl,Postgres-XL/Postgres-XL,pavanvd/postgres-xl,kmjungersen/PostgresXL,arcivanov/postgres-xl,postmind-net/postgres-xl,pavanvd/postgres-xl,kmjungersen/PostgresXL,arcivanov/postgres-xl,zeroae/postgres-xl,arcivanov/postgres-xl,yazun/postgres-xl,Postgres-XL/Postgres-XL,Postgres-XL/Postgres-XL,Postgres-XL/Postgres-XL,ovr/postgres-xl,ovr/postgres-xl,snaga/postgres-xl,kmjungersen/PostgresXL,zeroae/postgres-xl,oberstet/postgres-xl,pavanvd/postgres-xl,kmjungersen/PostgresXL,techdragon/Postgres-XL,snaga/postgres-xl,techdragon/Postgres-XL,oberstet/postgres-xl,snaga/postgres-xl,oberstet/postgres-xl,yazun/postgres-xl,Postgres-XL/Postgres-XL,postmind-net/postgres-xl,yazun/postgres-xl,kmjungersen/PostgresXL,yazun/postgres-xl,ovr/postgres-xl,oberstet/postgres-xl,ovr/postgres-xl,zeroae/postgres-xl,snaga/postgres-xl,techdragon/Postgres-XL,postmind-net/postgres-xl