diff --git a/init.lua b/init.lua
index 1787d3d..de71772 100644
--- a/init.lua
+++ b/init.lua
@@ -4,7 +4,9 @@
 local selection = require("lib-core.selection")
 local T         = engine.test
 
-function init(ctx)
+local M = {}
+
+function M.run_tests(ctx)
     -- Register / Unregister (3)
     local h1 = selection.register(function() return {x=0, y=0, w=10, h=10} end)
     T.assert(h1 ~= nil and h1 >= 1, "register returns positive handle")
@@ -66,3 +68,5 @@ function init(ctx)
     local ok = pcall(function() selection.set_drag_threshold(-1) end)
     T.assert(not ok, "set_drag_threshold(-1) errors")
 end
+
+return M
diff --git a/manifest.lib b/manifest.lib
new file mode 100644
index 0000000..42b21c5
--- /dev/null
+++ b/manifest.lib
@@ -0,0 +1,11 @@
+{
+    "id": "lib-core.selection-test",
+    "role": "test",
+    "version": "0.1.0",
+    "api_min": "0.1",
+    "deps": [
+        {"id": "lib-core.selection", "version": "0.1.0"},
+        {"id": "lib-core.input", "version": "0.4.0"},
+        {"id": "lib-core.camera", "version": "0.3.0"}
+    ]
+}
\ No newline at end of file
diff --git a/manifest.module b/manifest.module
deleted file mode 100644
index 0c7fb65..0000000
--- a/manifest.module
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "id": "lib-core.selection-test",
-    "version": "0.1.0",
-    "kind": "test-module",
-    "api": "^0.1",
-    "entry_point": "init.lua",
-    "deps": [
-        { "id": "lib-core.selection", "version": "0.1.0" },
-        { "id": "lib-core.input",     "version": "0.4.0" },
-        { "id": "lib-core.camera",    "version": "0.3.0" }
-    ]
-}