[Tests] fix broken tests exposed by 863bd63

Leaves 2 non-executable, + some TODOs

test/fast/Unit tests/Running 'nvm use --save' works as expected'

@@ -0,0 +1,61 @@
+#!/bin/sh
+\. ../../../nvm.sh
+\. ../../common.sh
+
+set -e
+
+TEST_VERSION='v0.2.4'
+
+if [ -f .nvmrc ]; then mv .nvmrc .nvmrc.orig; fi
+
+cleanup() {
+  nvm cache clear
+  nvm deactivate
+  nvm unalias default
+  rm -rf "${NVM_DIR}/v0.2.4" .nvmrc
+  if [ -f .nvmrc.orig ]; then mv .nvmrc.orig .nvmrc; fi
+  unset -f nvm_ls_remote nvm_ls_remote_iojs
+}
+
+die() {
+  echo "$@"
+  cleanup
+  exit 1
+}
+
+REMOTE="${PWD}/mocks/nvm_ls_remote.txt"
+nvm_ls_remote() {
+  if [ -n "${PATTERN}" ]; then
+    cat "${REMOTE}" | \grep "${PATTERN}"
+  else
+    cat "${REMOTE}"
+  fi
+}
+REMOTE_IOJS="$PWD/mocks/nvm_ls_remote_iojs.txt"
+nvm_ls_remote_iojs() {
+  local PATTERN
+  PATTERN="${1-}"
+  if [ -n "${PATTERN}" ]; then
+    cat "${REMOTE_IOJS}" | \grep "${PATTERN}"
+  else
+    cat "${REMOTE_IOJS}"
+  fi
+}
+
+make_fake_node "${TEST_VERSION}"
+
+nvm use -w "${TEST_VERSION}" || die "\`nvm install -w ${TEST_VERSION}\` failed"
+OUTPUT="$(cat .nvmrc)"
+
+nvm_is_valid_version "${OUTPUT}" \
+  || die "\`nvm install -w ${TEST_VERSION}\`+ \`cat .nvmrc\` outputted invalid version: got '${OUTPUT}'"
+
+rm .nvmrc || die 'removing of .nvmrc failed'
+
+nvm use --save "${TEST_VERSION}" || die "\`nvm install --save ${TEST_VERSION}\` failed"
+OUTPUT="$(cat .nvmrc)"
+
+nvm_is_valid_version "${OUTPUT}" \
+  || die "\`nvm install --save ${TEST_VERSION}\`+ \`cat .nvmrc\` outputted invalid version: got '${OUTPUT}'"
+
+cleanup