Correct testcases that passed because fns with #[test] were stripped before expansion.

src/test/run-pass/issue-2904.rs

@@ -79,12 +79,6 @@ mod test {
     pub fn trivial_to_str() {
         assert!(lambda.to_str() == "\\")
     }
-
-    #[test]
-    pub fn read_simple_board() {
-        let s = include_str!("./maps/contest1.map");
-        io::with_str_reader(s, read_board_grid)
-    }
 }
 
 pub fn main() {}

src/test/run-pass/issue-3424.rs

@@ -16,12 +16,11 @@ use core::path::{Path};
 
 type rsrc_loader = ~fn(path: &Path) -> result::Result<~str, ~str>;
 
-#[test]
 fn tester()
 {
     let loader: rsrc_loader = |_path| {result::Ok(~"more blah")};
 
-    let path = path::from_str("blah");
+    let path = path::Path("blah");
     assert!(loader(&path).is_ok());
 }
 

src/test/run-pass/issue-3559.rs

@@ -1,4 +1,4 @@
-// xfail-fast
+// xfail-test #4276
 
 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
@@ -15,7 +15,6 @@ extern mod std;
 
 use core::io::{WriterUtil};
 
-#[cfg(test)]
 fn check_strs(actual: &str, expected: &str) -> bool
 {
     if actual != expected
@@ -26,10 +25,9 @@ fn check_strs(actual: &str, expected: &str) -> bool
     return true;
 }
 
-#[test]
 fn tester()
 {
-    let mut table = core::hashmap::HashMap();
+    let mut table = core::hashmap::HashMap::new();
     table.insert(@~"one", 1);
     table.insert(@~"two", 2);
     assert!(check_strs(table.to_str(), ~"xxx"));   // not sure what expected should be