missing expectEmit in MerkleLL and MerkleLT fork tests

[smol-ninja]

v2-periphery/test/fork/merkle-lockup/MerkleLT.t.sol

Lines 146 to 152 in 2d338a7

	vars.expectedStreamId = lockupTranched.nextStreamId();
	emit Claim(
	vars.indexes[params.posBeforeSort],
	vars.recipients[params.posBeforeSort],
	vars.amounts[params.posBeforeSort],
	vars.expectedStreamId
	);

v2-periphery/test/fork/merkle-lockup/MerkleLL.t.sol

Lines 144 to 150 in 2d338a7

	vars.expectedStreamId = lockupLinear.nextStreamId();
	emit Claim(
	vars.indexes[params.posBeforeSort],
	vars.recipients[params.posBeforeSort],
	vars.amounts[params.posBeforeSort],
	vars.expectedStreamId
	);