chore: checkpoint before Python removal

vendor/wit-parser/tests/ui/parse-fail/missing-main-declaration-initial-main.wit

@@ -0,0 +1,23 @@
+interface i1 {
+  type a = u32;
+}
+
+world w1 {
+  import imp1: interface {
+    use i1.{a};
+  }
+}
+
+
+package foo:name {
+  interface i2 {
+    type b = u32;
+  }
+
+  world w2 {
+    import imp2: interface {
+        use i2.{b};
+    }
+  }
+}
+