Revert "neotest removed"

This reverts commit 94101216dc.

lua/custom/plugins/neotest-dotnet.lua

@@ -0,0 +1,14 @@
+return {
+  'nvim-neotest/neotest',
+  dependencies = {
+    'Issafalcon/neotest-dotnet',
+  },
+  config = function()
+    require('neotest').setup {
+      adapters = {
+        require 'neotest-dotnet',
+      },
+      discovery_root = 'solution',
+    }
+  end,
+}

lua/custom/plugins/neotest.lua

@@ -0,0 +1,20 @@
+return {
+  'nvim-neotest/neotest',
+  dependencies = {
+    'nvim-lua/plenary.nvim',
+    'antoinemadec/FixCursorHold.nvim',
+    'nvim-treesitter/nvim-treesitter',
+  },
+  config = function()
+    require('neotest').setup {
+      adapters = {
+        require 'neotest-dotnet' {
+          dap = { justMyCode = false },
+        },
+        require 'neotest-plenary',
+      },
+    }
+  end,
+  vim.keymap.set('n', '<leader>te', ':Neotest summary toggle<CR>', { desc = '[T]est [E]xplorer' }),
+  vim.keymap.set('n', '<leader>rt', ':Neotest run suite=true<CR>', { desc = '[R]un [T]est suite' }),
+}