feat: enable runnint test on travis

backend/scripts/prepare-release.sh

@@ -1,16 +1,16 @@
 #!/usr/bin/env bash
 
 if [ "$#" -e 0 ]; then
-        echo "Expecting parameters: 1=path to backend; 2=destination directory"
-        exit 1
+    echo "Expecting parameters: 1=path to backend; 2=destination directory"
+    exit 1
 fi
 
 rm -rf $2 || exit 1;
 
 rsync -avr \
-        --exclude="/test" \
-        --exclude="/resources/public/media" \
-        --exclude="/target" \
-        --exclude="/scripts" \
-        --exclude="/.*" \
-        $1 $2;
+      --exclude="/test" \
+      --exclude="/resources/public/media" \
+      --exclude="/target" \
+      --exclude="/scripts" \
+      --exclude="/.*" \
+      $1 $2;