avoid spidermonkey in test_files due to closure collision

1 files changed, 1 insertions, 0 deletions

diff --git a/tests/test_core.py b/tests/test_core.py
index c3e6421b..102fa447 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -7274,6 +7274,7 @@ date: 18.07.2013w; day 18, month  7, year 2013, extra: 201, 3
     self.do_run(src, expected, extra_emscripten_args=['-H', 'libc/langinfo.h'])
 
   def test_files(self):
+    self.banned_js_engines = [SPIDERMONKEY_ENGINE] # closure can generate variables called 'gc', which pick up js shell stuff
     if self.emcc_args is not None and '-O2' in self.emcc_args:
       self.emcc_args += ['--closure', '1'] # Use closure here, to test we don't break FS stuff
       self.emcc_args = filter(lambda x: x != '-g', self.emcc_args) # ensure we test --closure 1 --memory-init-file 1 (-g would disable closure)