Restrict test to run on >=3.1.0

Signed-off-by: Daniel Widdis <[email protected]>

Author: dbwiddis

rest-api-spec/src/main/resources/rest-api-spec/test/search/50_multi_match.yml

@@ -1,7 +1,4 @@
-"Cross fields do not return negative scores":
-  - skip:
-      version: " - 2.99.99"
-      reason: "This fix is in 2.15. Until we do the BWC dance, we need to skip all pre-3.0, though."
+setup:
   - do:
       index:
         index: test
@@ -19,6 +16,12 @@
         body: { "color" : "orange red yellow purple" }
   - do:
       indices.refresh: { }
+
+---
+"Cross fields do not return negative scores":
+  - skip:
+      version: " - 2.14.99"
+      reason: "This fix is in 2.15.0"
   - do:
       search:
         index: test
@@ -34,7 +37,11 @@
   - match: { hits.hits.0._id: "2" }
   - gt: { hits.hits.2._score: 0.0 }
 
-  # Test that query with null field fails appropriately
+---
+"Query string with null field throws 400":
+  - skip:
+      version: " - 3.0.99"
+      reason: "This fix is in 3.1.0"
   - do:
       catch: bad_request
       search: