title: how to make swaggerhub's execute command to use formdata?
body: <p>In my swaggerhub API definition (openAPI 2), I defined this, an api takes these three parameters as FormVariables</p>
  <pre><code>/token:
      post:
        tags:
          - Authentication
        summary: Request an Access Token
        operationId: createAccessToken
        description: |
            To get access token for our api
        consumes:
           - multipart/form-data
        parameters:
          - name: Client_ID
            in: formData
            required: true
            type: string
          - name: Client_Secret
            in: formData
            required: true
            type: string
          - name: Scope
            in: formData
            required: true
            type: string
          - name: Grant_Type
            in: formData
            required: true
            type: string
            default: &quot;client_credentials&quot;
  </code></pre>
  <p>When I click execute button on the swaggerhub UI to try, I got a 400 error {&quot;error&quot;:&quot;invalid_request&quot;}.
  When trying In postman, content-type need to be set as multipart/form-data, otherwise it will produce the same error.</p>
  <p>In swaggerhub's UI, following command is created when executing this mehtod.</p>
  <p>curl -X 'POST' <br />
  'https://example.com/token' <br />
  -H 'accept: application/json' <br />
  -H 'Content-Type: application/json' <br />
  -d 'Client_ID=123&amp;Client_Secret=111&amp;Scope=fff&amp;Grant_Type=client_credentials'</p>
  <p>Is there a way to set content-type?</p>