Fix for issue 119723 (elastic#120001) (elastic#122552)

Adjust random parameter generator to exclude newly valid value (-1)

Closes elastic#119723

(cherry picked from commit 53773cb)

Author: svilen-mihaylov-elastic

server/src/test/java/org/elasticsearch/search/fetch/subphase/highlight/HighlightBuilderTests.java

@@ -577,7 +577,7 @@ public void testPreTagsWithoutPostTags() throws IOException {
     public void testInvalidMaxAnalyzedOffset() throws IOException {
         XContentParseException e = expectParseThrows(
             XContentParseException.class,
-            "{ \"max_analyzed_offset\" : " + randomIntBetween(-100, -1) + "}"
+            "{ \"max_analyzed_offset\" : " + randomIntBetween(-100, -2) + "}"
         );
         assertThat(e.getMessage(), containsString("[highlight] failed to parse field [" + MAX_ANALYZED_OFFSET_FIELD.toString() + "]"));
         assertThat(e.getCause().getMessage(), containsString("[max_analyzed_offset] must be a positive integer, or -1"));