[Tests] add `nvm run --lts` tests.

test/slow/nvm run/Running "nvm run --lts" should work

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+set -ex
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+OUTPUT="$(nvm run --silent --lts --version)"
+EXPECTED_OUTPUT="$(nvm_match_version 'lts/*')"
+[ "${OUTPUT}" = "${EXPECTED_OUTPUT}" ] || die "\`nvm run --lts\` failed to run with the correct version; expected >${EXPECTED_OUTPUT}<, got >${OUTPUT}<"
+
+OUTPUT="$(nvm run --silent --lts=argon --version)"
+EXPECTED_OUTPUT="$(nvm_match_version 'lts/argon')"
+[ "${OUTPUT}" = "${EXPECTED_OUTPUT}" ] || die "\`nvm run --lts=argon\` failed to run with the correct version; expected >${EXPECTED_OUTPUT}<, got >${OUTPUT}<"

test/slow/nvm run/setup_dir

@@ -1,7 +1,10 @@
 #!/bin/sh
 
 . ../../../nvm.sh
+
 nvm install 0.10.7
+nvm install --lts=argon
+nvm install --lts
 
 if [ -f ".nvmrc" ]; then
   mv .nvmrc .nvmrc.bak

test/slow/nvm run/teardown_dir

@@ -1,8 +1,11 @@
 #!/bin/sh
 
 . ../../../nvm.sh
+
 nvm deactivate
 nvm uninstall v0.10.7
+nvm uninstall --lts=argon
+nvm uninstall --lts
 
 rm .nvmrc