fix travis failure

auto_update_tests.py

diff --git a/auto_update_tests.py b/auto_update_tests.py
index 173689e..1284a03 100755
--- a/auto_update_tests.py
+++ b/auto_update_tests.py
@@ -24,7 +24,7 @@
     ASM2WASM, MOZJS, NODEJS, S2WASM, WASM_OPT, WASM_AS, WASM_DIS,
     WASM_CTOR_EVAL, WASM_MERGE, WASM_REDUCE, WASM2ASM, WASM_METADCE,
     WASM_EMSCRIPTEN_FINALIZE, BINARYEN_INSTALL_DIR,
-    files_with_pattern, has_shell_timeout)
+    files_with_pattern, has_shell_timeout, check_binaryen_bin)
 from scripts.test.wasm2asm import tests, spec_tests, extra_wasm2asm_tests, assert_tests, wasm2asm_dir
 
 
@@ -423,6 +423,8 @@
 
 
 def main():
+  check_binaryen_bin()
+
   update_asm_js_tests()
   update_dot_s_tests()
   update_lld_tests()

check.py

diff --git a/check.py b/check.py
index f3f3552..d094a64 100755
--- a/check.py
+++ b/check.py
@@ -26,7 +26,8 @@
     WASM_DIS, WASM_REDUCE, binary_format_check, delete_from_orbit, fail, fail_with_error,
     fail_if_not_identical, fail_if_not_contained, has_vanilla_emcc,
     has_vanilla_llvm, minify_check, num_failures, options, tests,
-    requested, warnings, has_shell_timeout, fail_if_not_identical_to_file
+    requested, warnings, has_shell_timeout, fail_if_not_identical_to_file,
+    check_binaryen_bin
 )
 
 import scripts.test.asm2wasm as asm2wasm
@@ -650,6 +651,8 @@
 
 # Run all the tests
 def main():
+  check_binaryen_bin()
+
   run_help_tests()
   run_wasm_opt_tests()
   asm2wasm.test_asm2wasm()

scripts/test/shared.py

diff --git a/scripts/test/shared.py b/scripts/test/shared.py
index 4ad4fb3..f0eb0c6 100644
--- a/scripts/test/shared.py
+++ b/scripts/test/shared.py
@@ -272,8 +272,6 @@
   print 'waterfall is fetched and setup, exiting since --only-prepare'
   sys.exit(0)
 
-check_binaryen_bin()
-
 # external tools
 
 try: