afd4ec8c5e test: push minimality check for zero(empty) (ChrisCho-H)
Pull request description:
Following https://github.com/rust-bitcoin/rust-bitcoin/pull/4368.
I omitted to test OP_0(empty bytes) and can be covered by this PR.
ACKs for top commit:
apoelstra:
ACK afd4ec8c5e345a1df5abc46076c843e96a226b77; successfully ran local tests
Tree-SHA512: a3643227f9dfde71d5c5707bf11804e0e26eff43346c0443abdd805f0ffad284c3090e22a0bda34e54e1185a980adc7511724db401c04b55a8be79d67a3fce6d