[Tests] fix eclint errors

Author: ljharb

.travis.yml

@@ -67,5 +67,5 @@ env:
     - SHELL=bash TEST_SUITE=installation_iojs WITHOUT_CURL=1
     - SHELL=zsh TEST_SUITE=installation_iojs
     - SHELL=zsh TEST_SUITE=installation_iojs WITHOUT_CURL=1
-   #  - SHELL=ksh TEST_SUITE=installation_iojs
-   #  - SHELL=ksh TEST_SUITE=installation_iojs WITHOUT_CURL=1
+    #  - SHELL=ksh TEST_SUITE=installation_iojs
+    #  - SHELL=ksh TEST_SUITE=installation_iojs WITHOUT_CURL=1