Merge pull request #3495 from hashicorp/t-test

Run linter

scripts/travis.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/bash
 set -e
 
 export PING_SLEEP=60
@@ -7,9 +7,9 @@ PING_LOOP_PID=$!
 
 trap 'kill ${PING_LOOP_PID}' EXIT HUP INT QUIT TERM
 
-if [[ "$RUN_STATIC_CHECKS" ]]; then
+if [ "$RUN_STATIC_CHECKS" ]; then
     make check
-    if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then 
+    if [ "$TRAVIS_OS_NAME" == "linux" ]; then 
         make checkscripts
     fi
 fi