test-documentation: Fix whitespace for readability.

tools/test-documentation

@@ -4,28 +4,29 @@ set -e
 
 case $1 in
     -h|--help)
-    echo "--help, -h                   show this help message and exit"
-    echo "--loglevel=LEVEL, -L LEVEL   log level (default: ERROR)"
-    exit 0
-    ;;
+        echo "--help, -h                   show this help message and exit"
+        echo "--loglevel=LEVEL, -L LEVEL   log level (default: ERROR)"
+        exit 0
+        ;;
     -L|--loglevel)
-    loglevel="$1 $2"
-    ;;
+        loglevel="$1 $2"
+        ;;
 esac
 
 cd "$(dirname "$0")"/../docs
 rm -rf _build
+
 # collapse_navigation is set to False in conf.py to improve sidebar navigation for users.
 # However, we must change its value to True before we begin testing links.
 # Otherwise, sphinx would generate a large number of links we don't need to test.
 # The crawler would take a very long time to finish and TravisCI would fail as a result.
 sphinx-build -j8 -b html -d _build/doctrees -D html_theme_options.collapse_navigation=True . _build/html
-cd ../tools/documentation_crawler
 
 echo -en "\033[0;94m"
 echo "Testing links in documentation..."
 echo -en "\033[0m"
 
+cd ../tools/documentation_crawler
 set +e
 scrapy crawl_with_status documentation_crawler $loglevel
 result=$?