test(oas31): move test out of components (#10300)

Refs #10247

Author: char0n

test/unit/core/plugins/oas31/components/fn.js renamed to test/unit/core/plugins/oas31/fn.js

@@ -9,6 +9,7 @@ describe("isOAS31", function () {
   it("should recognize valid OAS31 version values", function () {
     expect(isOAS31Shorthand("3.1.0")).toEqual(true)
     expect(isOAS31Shorthand("3.1.1")).toEqual(true)
+    expect(isOAS31Shorthand("3.1.12")).toEqual(true)
     expect(isOAS31Shorthand("3.2.0")).toEqual(false)
     expect(isOAS31Shorthand("3.0.0-rc0")).toEqual(false)
   })