fix test

Author: tlively

test/lit/wasm-split/no-placeholders.wast

@@ -1,8 +1,8 @@
 ;; NOTE: Assertions have been generated by update_lit_checks.py --all-items and should not be edited.
 
 ;; RUN: wasm-split %s -all --no-placeholders --split-funcs=bar,baz -g -o1 %t.1.wasm -o2 %t.2.wasm
-;; RUN: wasm-dis %t.1.wasm | filecheck --check-prefix PRIMARY
-;; RUN: wasm-dis %t.2.wasm | filecheck --check-prefix SECONDARY
+;; RUN: wasm-dis %t.1.wasm | filecheck %s --check-prefix PRIMARY
+;; RUN: wasm-dis %t.2.wasm | filecheck %s --check-prefix SECONDARY
 
 (module
  ;; PRIMARY:      (type $0 (func))