diff --git a/.config/helix/languages.toml b/.config/helix/languages.toml
index 9261a2cb..4db4e1a1 100644
--- a/.config/helix/languages.toml
+++ b/.config/helix/languages.toml
@@ -90,3 +90,12 @@ file-types = ["eml"]
 name = "mail"
 source.path = "/home/fic/dev/tree-sitter-mail"
 # source = { git = "https://github.com/stevenxxiu/tree-sitter-mail", rev = "e3d63ac2093e22777cb30d70b9264f48814622ad" }
+
+[[language]]
+name = "test"
+scope = "source.test"
+file-types = [{ glob = "test/corpus/*.txt" }]
+
+[[grammar]]
+name = "test"
+source = { git = "https://github.com/tree-sitter-grammars/tree-sitter-test", rev = "93746e2e387ae757d21088ab0ab5657efffb973e" }
diff --git a/.config/helix/runtime/grammars/test.so b/.config/helix/runtime/grammars/test.so
new file mode 100755
index 00000000..3536e513
Binary files /dev/null and b/.config/helix/runtime/grammars/test.so differ
diff --git a/.config/helix/runtime/queries/test/highlights.scm b/.config/helix/runtime/queries/test/highlights.scm
new file mode 100644
index 00000000..68f09961
--- /dev/null
+++ b/.config/helix/runtime/queries/test/highlights.scm
@@ -0,0 +1,15 @@
+(name) @markup.heading.1
+
+(attribute) @attribute
+
+(attribute
+  language: (parameter) @string)
+
+(attribute
+  platform: (parameter) @constant.builtin)
+
+[
+  (separator)
+  ")"
+  "("
+] @punctuation
diff --git a/.config/helix/runtime/queries/test/injections.scm b/.config/helix/runtime/queries/test/injections.scm
new file mode 100644
index 00000000..685890a0
--- /dev/null
+++ b/.config/helix/runtime/queries/test/injections.scm
@@ -0,0 +1,15 @@
+(test
+  (header
+    (name)
+    (attributes
+      . ; skip over non-language attributes
+      (attribute
+        !language)*
+      . ; select only the first language attribute
+      (attribute
+        language: (parameter) @injection.language)))
+  (input) @injection.content)
+
+((test
+  (output) @injection.content)
+  (#set! injection.language "tsq"))