tests: initial test suite for IR compiler

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I70cd1dfa45add9df58a44add69fbd30a6a6a6964

tests/inherit.nix

@@ -0,0 +1,17 @@
+# Test inherit keyword
+let
+  x = 10;
+  y = 20;
+  attrs = { a = 1; b = 2; c = 3; };
+in
+  {
+    # Basic inherit from outer scope
+    inherit x y;
+
+    # Inherit from expression
+    inherit (attrs) a b;
+
+    # Mixed
+    z = 30;
+    inherit (attrs) c;
+  }