Fix ansible ftdetect

scripts/test_extensions.vim

@@ -0,0 +1,14 @@
+function! TestExtension(filetype, filename, content)
+  try
+    exec "e " . a:filename
+    exec "if &filetype != '" . a:filetype . "' \nthrow &filetype\nendif"
+  catch
+    echo 'Filename "' . a:filename  . '" does not resolve to extension "' . a:filetype . '"'
+    echo '  instead received: "' . v:exception . '"'
+    exec ':cq!'
+  endtry
+endfunction
+
+call TestExtension('blade', 'test.blade.php', '')
+call TestExtension('yaml.ansible', 'playbook.yml', '')
+call TestExtension('yaml.ansible', 'host_vars/foobar', '')