Add Tenant Logging Tests

[cniackz]

Fixes https://github.com/miniohq/engineering/issues/604
Fixes https://github.com/miniohq/engineering/issues/603

To test these end points:

  /namespaces/{namespace}/tenants/{tenant}/enable-logging:
    post:
      summary: Enable Tenant Logging
      operationId: EnableTenantLogging
      parameters:
        - name: namespace
          in: path
          required: true
          type: string
        - name: tenant
          in: path
          required: true
          type: string
      responses:
        200:
          description: A successful response.
          schema:
            type: boolean
        default:
          description: Generic error response.
          schema:
            $ref: "#/definitions/error"
      tags:
        - OperatorAPI

  /namespaces/{namespace}/tenants/{tenant}/disable-logging:
    post:
      summary: Disable Tenant Logging
      operationId: DisableTenantLogging
      parameters:
        - name: namespace
          in: path
          required: true
          type: string
        - name: tenant
          in: path
          required: true
          type: string
      responses:
        200:
          description: A successful response.
          schema:
            type: boolean
        default:
          description: Generic error response.
          schema:
            $ref: "#/definitions/error"
      tags:
        - OperatorAPI

Coverage

-          threshold=51.50
+          threshold=51.90