Don't read passwd in test

Author: lucic71

tests/unit/out/refcount/user_defined_same_as_libc.rs

@@ -19,7 +19,7 @@ pub fn main() {
 fn main_0() -> i32 {
     let fp: Value<Ptr<::std::fs::File>> = Rc::new(RefCell::new(
         ({
-            let _path: Ptr<u8> = Ptr::from_string_literal("/etc/passwd");
+            let _path: Ptr<u8> = Ptr::from_string_literal("/tmp/irrelevant-file");
             let _mode: Ptr<u8> = Ptr::from_string_literal("r");
             fopen_0(_path, _mode)
         }),

tests/unit/out/unsafe/user_defined_same_as_libc.rs

@@ -18,7 +18,7 @@ pub fn main() {
 }
 unsafe fn main_0() -> i32 {
     let mut fp: *mut ::std::fs::File = (unsafe {
-        let _path: *const u8 = (b"/etc/passwd\0".as_ptr().cast_mut()).cast_const();
+        let _path: *const u8 = (b"/tmp/irrelevant-file\0".as_ptr().cast_mut()).cast_const();
         let _mode: *const u8 = (b"r\0".as_ptr().cast_mut()).cast_const();
         fopen_0(_path, _mode)
     });

tests/unit/user_defined_same_as_libc.c

@@ -8,7 +8,7 @@ FILE *fopen(const char *path, const char *mode) {
 }
 
 int main() {
-  FILE *fp = fopen("/etc/passwd", "r");
+  FILE *fp = fopen("/tmp/irrelevant-file", "r");
   assert(fp == NULL);
   return 0;
 }