Changed . token to _dot

This change allows the dotfiles to work with chezmoi (e.g: on windows)
and improves grepability with neovim/telescope

dot_config/nushell/nu_scripts/modules/language/tests/date.nu

@@ -0,0 +1,34 @@
+use ../playground *
+use ../std/date.nu *
+
+def mock-now [] {
+  "2021-08-29 03:31:21" | into datetime
+}
+
+def people [] {
+  [
+    [        'name',                'tz'];
+    [      'andres', 'America/Guayaquil']
+    [     'fdncred',        'US/Central']
+  ]
+}
+
+playground "std/date" {
+  
+  scene 'command: "date local"' {
+
+    play "adds times in local timezone" {|topic|
+
+      let expected_times = [
+        "Sun Aug 29 03:31:21 2021"
+        "Sun Aug 29 03:31:21 2021"
+      ] | into datetime;
+      let actual = (people | date local (mock-now) | get time | into datetime)
+
+      expect $topic $actual --to-be $expected_times
+
+    }
+
+  }
+
+}