feat(vim): add snippets for testing in lua and playwright

site-modules/core/files/vim/snippets/snippets/js/test.snippet

@@ -0,0 +1,9 @@
+# name: A test function
+# description: A test function same as it but with test
+# key: test
+# contributor: Ade Attwood <code@adeattwood.co.uk>
+# filetypes: javascript,javascriptreact,typescript,typescriptreact
+# --
+test('${1}', () => {
+  ${0}
+});

site-modules/core/files/vim/snippets/snippets/lua/desc.snippet

@@ -0,0 +1,8 @@
+# name: Lua test
+# key: desc
+# contributor: Ade Attwood <code@adeattwood.co.uk>
+# filetypes: lua
+# --
+describe("$1", function()
+  $0
+end)

site-modules/core/files/vim/snippets/snippets/lua/it.snippet

@@ -0,0 +1,8 @@
+# name: Lua test
+# key: it
+# contributor: Ade Attwood <code@adeattwood.co.uk>
+# filetypes: lua
+# --
+it("$1", function()
+  $0
+end)