use enterprise installer 5.2.7.4 for enterprise rest api tests

scripts/downloadInstaller.sh

@@ -2,7 +2,7 @@
 # fail script immediately on any errors in external commands and print the lines
 set -ev
 
-outputFile="$TRAVIS_BUILD_DIR/$1/alf-installer.bin"
+outputFile="$TRAVIS_BUILD_DIR/$2/alf-installer.bin"
 host="s3-eu-west-1.amazonaws.com"
 contentType="binary/octet-stream"
 dateValue=`TZ=GMT date -R`
@@ -12,4 +12,4 @@ curl -H "Host: ${host}" \
      -H "Date: ${dateValue}" \
      -H "Content-Type: ${contentType}" \
      -H "Authorization: AWS $RELEASE_AWS_ACCESS_KEY:${signature}" \
-     https://${host}${S3_INSTALLER_PATH} -o ${outputFile}
+     https://${host}$1 -o ${outputFile}