Adding Tenant Log Test

[cniackz]

Fix https://github.com/miniohq/engineering/issues/602

To test end points:

  /namespaces/{namespace}/tenants/{tenant}/log:
    get:
      summary: Get Tenant Logs
      operationId: GetTenantLogs
      parameters:
        - name: namespace
          in: path
          required: true
          type: string
        - name: tenant
          in: path
          required: true
          type: string
      responses:
        200:
          description: A successful response.
          schema:
            $ref: "#/definitions/tenantLogs"
        default:
          description: Generic error response.
          schema:
            $ref: "#/definitions/error"
      tags:
        - OperatorAPI
    put:
      summary: Set Tenant Logs
      operationId: SetTenantLogs
      parameters:
        - name: namespace
          in: path
          required: true
          type: string
        - name: tenant
          in: path
          required: true
          type: string
        - name: data
          in: body
          required: true
          schema:
            $ref: "#/definitions/tenantLogs"
      responses:
        200:
          description: A successful response.
          schema:
            type: boolean
        default:
          description: Generic error response.
          schema:
            $ref: "#/definitions/error"
      tags:
        - OperatorAPI

Coverage

-          threshold=51.90
+          threshold=52.20