Display the name of the test being waited for before the result is in

So the test runner displays the name of the test, then waits for it to finish,
then displays the result. It worked this way before things were parallelized
and it's just much friendlier this way.

src/lib/test.rs

@@ -121,8 +121,10 @@ fn run_tests_console_(opts: &test_opts, tests: &test_desc[],
             st.total = ivec::len(filtered_tests);
             st.out.write_line(#fmt("\nrunning %u tests", st.total));
           }
-          te_result(test, result) {
+          te_wait(test) {
             st.out.write_str(#fmt("test %s ... ", test.name));
+          }
+          te_result(test, result) {
             alt result {
               tr_ok. {
                 st.passed += 1u;
@@ -209,6 +211,7 @@ fn use_color() -> bool {
 
 tag testevent {
     te_filtered(test_desc[]);
+    te_wait(test_desc);
     te_result(test_desc, test_result);
 }
 
@@ -236,6 +239,7 @@ fn run_tests(opts: &test_opts, tests: &test_desc[],
         }
 
         let future = futures.(0);
+        callback(te_wait(future.test));
         let result = future.wait();
         callback(te_result(future.test, result));
         futures = ivec::slice(futures, 1u, ivec::len(futures));