[Fix] ensure that lts/* points to boron/latest, not argon/earliest.

- update test mocks
 - fix tests for Boron release

Fixes #1268.

test/fast/Unit tests/nvm_ls_remote LTS aliases

@@ -1,7 +1,5 @@
 #!/bin/sh
 
-set -ex
-
 die () { echo $@ ; cleanup ; exit 1; }
 
 TEST_PATH="$PWD/test_output"
@@ -39,7 +37,7 @@ nvm_ls_remote >/dev/null || die "nvm_ls_remote_failed?!"
 
 CALL_COUNT="$(cat "$CALL_COUNT_PATH")"
 
-EXPECTED_COUNT=2
+EXPECTED_COUNT=3
 [ "$CALL_COUNT" = "$EXPECTED_COUNT" ] || die "nvm_make_alias called $CALL_COUNT times; expected $EXPECTED_COUNT"
 
 ARGS="$(cat "$ALIAS_ARGS_PATH")"