Add neotest and overseer

lua/plugins/neotest.lua

@@ -0,0 +1,40 @@
+return {
+  "nvim-neotest/neotest",
+  dependencies = {
+    "adrigzr/neotest-mocha",
+  },
+  opts = function()
+    return {
+      adapters = {
+        ["neotest-mocha"] = {
+          command = "docker exec -it api-app npm run test:integration --",
+          command_args = function(context)
+            -- The context contains:
+            --   results_path: The file that json results are written to
+            --   test_name_pattern: The generated pattern for the test
+            --   path: The path to the test file
+            --
+            -- It should return a string array of arguments
+            --
+            -- Not specifying 'command_args' will use the defaults below
+            local relative_path = vim.fn.fnamemodify(context.path, ":.")
+            return {
+              "--full-trace",
+              "--reporter=json",
+              "--reporter-options=output=" .. context.results_path,
+              "--grep=" .. context.test_name_pattern,
+              relative_path,
+            }
+          end,
+          env = { CI = true },
+          cwd = function()
+            return vim.fn.getcwd()
+          end,
+        },
+      },
+      consumers = {
+        overseer = require("neotest.consumers.overseer"),
+      },
+    }
+  end,
+}