Rory Hunter d96976e2b1
Improve resiliency to formatting JSON in server (#48706)
Backport of #48553. Make a number of changes so that JSON in the server
directory is more resilient to automatic formatting. This covers:

   * Reformatting multiline JSON to embed whitespace in the strings
   * Add helper method `stripWhitespace()`, to strip whitespace from a JSON
     document using XContent methods. This is sometimes necessary where
     a test is comparing some machine-generated JSON with an expected
     value.
2019-10-31 10:48:55 +00:00
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