.expect_block_disconnected(*fork_chain_1.at_height(4))
.expect_block_disconnected(*fork_chain_1.at_height(3))
.expect_block_disconnected(*fork_chain_1.at_height(2))
.expect_block_connected(*main_chain.at_height(2))
.expect_block_connected(*main_chain.at_height(3))
.expect_block_connected(*main_chain.at_height(4));
.expect_block_disconnected(*fork_chain_1.at_height(4))
.expect_block_disconnected(*fork_chain_1.at_height(3))
.expect_block_disconnected(*fork_chain_1.at_height(2))
.expect_block_connected(*main_chain.at_height(2))
.expect_block_connected(*main_chain.at_height(3))
.expect_block_connected(*main_chain.at_height(4));