spec: change way how tests srtuctured

spec/gopher_spec.lua

@@ -1,5 +0,0 @@
-describe("gopher", function()
-  it("can be required", function()
-    require "gopher"
-  end)
-end)

spec/gopher_struct_tags_spec.lua

@@ -1,49 +0,0 @@
-local cur_dir = vim.fn.expand "%:p:h"
-
-describe("gopher.struct_tags", function()
-  it("can be required", function()
-    require "gopher.struct_tags"
-  end)
-
-  it("can add json tag to struct", function()
-    local tag = require "gopher.struct_tags"
-    local temp_file = vim.fn.tempname() .. ".go"
-    local input_file = vim.fn.readfile(cur_dir .. "/spec/fixtures/tags/add_input.go")
-    local output_file =
-      vim.fn.join(vim.fn.readfile(cur_dir .. "/spec/fixtures/tags/add_output.go"), "\n")
-
-    vim.fn.writefile(input_file, temp_file)
-    vim.cmd("silent exe 'e " .. temp_file .. "'")
-    vim.bo.filetype = "go"
-
-    local bufn = vim.fn.bufnr(0)
-    vim.fn.setpos(".", { bufn, 3, 6, 0 })
-    tag.add()
-
-    vim.wait(100)
-    assert.are.same(output_file, vim.fn.join(vim.fn.readfile(temp_file), "\n"))
-
-    vim.cmd("bd! " .. temp_file)
-  end)
-
-  it("can remove json tag from struct", function()
-    local tag = require "gopher.struct_tags"
-    local temp_file = vim.fn.tempname() .. ".go"
-    local input_file = vim.fn.readfile(cur_dir .. "/spec/fixtures/tags/remove_input.go")
-    local output_file =
-      vim.fn.join(vim.fn.readfile(cur_dir .. "/spec/fixtures/tags/remove_output.go"), "\n")
-
-    vim.fn.writefile(input_file, temp_file)
-    vim.cmd("silent exe 'e " .. temp_file .. "'")
-    vim.bo.filetype = "go"
-
-    local bufn = vim.fn.bufnr()
-    vim.fn.setpos(".", { bufn, 3, 6, 0 })
-    tag.remove()
-
-    vim.wait(100)
-    assert.are.same(output_file, vim.fn.join(vim.fn.readfile(temp_file), "\n"))
-
-    vim.cmd("bd! " .. temp_file)
-  end)
-end)

spec/units/config_spec.lua

@@ -1,8 +1,4 @@
 describe("gopher.config", function()
-  it("can be required", function()
-    require "gopher.config"
-  end)
-
   it(".setup() when gets empty table not edit config", function()
     local c = require "gopher.config"
     c.setup {}