update naming in REST tests

Signed-off-by: Russ Cam <russcam@canva.com>

modules/analysis-common/src/yamlRestTest/resources/rest-api-spec/test/analysis-common/40_token_filters.yml

@@ -1198,27 +1198,27 @@
     - match:  { tokens.0.token: foo }
 
 ---
-"delimited_termfreq":
+"delimited_term_freq":
   - skip:
       version: " - 2.9.99"
-      reason: "delimited_termfreq token filter was added in v2.10.0"
+      reason: "delimited_term_freq token filter was added in v2.10.0"
   - do:
       indices.create:
         index: test
         body:
           settings:
             analysis:
               filter:
-                my_delimited_termfreq:
-                  type: delimited_termfreq
+                my_delimited_term_freq:
+                  type: delimited_term_freq
                   delimiter: ^
   - do:
       indices.analyze:
         index: test
         body:
           text:       foo^3
           tokenizer:  keyword
-          filter:     [my_delimited_termfreq]
+          filter:     [my_delimited_term_freq]
           attributes: termFrequency
           explain:    true
   - length: { detail.tokenfilters: 1 }
@@ -1231,7 +1231,7 @@
         body:
           text:       foo|100
           tokenizer:  keyword
-          filter:     [delimited_termfreq]
+          filter:     [delimited_term_freq]
           attributes: termFrequency
           explain:    true
   - length: { detail.tokenfilters: 1 }