text: describe("random package tests", function()
      local random
  
      local function is_magic_char(c)
          return c == "8" or c == "9" or c == "A" or c == "B"
      end
  
      setup(function()
          random = require("frontend/random")
      end)
  
      it("should generate uuid without dash", function()
          for i = 1, 10000 do
              local uuid = random.uuid()
              assert.Equals(uuid:len(), 32)
              assert.Equals(uuid:sub(13, 13), "4")
              assert.is_true(is_magic_char(uuid:sub(17, 17)))
          end
      end)
  
      it("should generate uuid with dash", function()
          for i = 1, 10000 do
              local uuid = random.uuid(true)
              assert.Equals(uuid:len(), 36)
              assert.Equals(uuid:sub(9, 9), "-")
              assert.Equals(uuid:sub(14, 14), "-")
              assert.Equals(uuid:sub(19, 19), "-")
              assert.Equals(uuid:sub(24, 24), "-")
              assert.Equals(uuid:sub(15, 15), "4")
              assert.is_true(is_magic_char(uuid:sub(20, 20)))
          end
      end)
  end)
  