Use iterator, moveNext(), current.

tests/standalone/standalone.status

Index: tests/standalone/standalone.status
diff --git a/tests/standalone/standalone.status b/tests/standalone/standalone.status
index cf296b4aa979981ce980a2f18d06bb1858c6ab86..6b3df0a69343532a29b0cf17ebc679972e5abead 100644
--- a/tests/standalone/standalone.status
+++ b/tests/standalone/standalone.status
@@ -7,7 +7,9 @@ out_of_memory_test: Skip # Issue 2345
 package/invalid_uri_test: Fail, OK # Fails intentionally
 
 [ $runtime == vm ]
-io/test_runner_exit_code_test: Fail, OK # used by both a test and the VM. Can be reenabled when we replace the precompiled dart executable in tools.
+io/test_runner_exit_code_test: Fail # used by both a test and the VM. Can be reenabled when we replace the precompiled dart executable in tools.
+status_expression_test: Fail # used by both a test and the VM. Can be reenabled when we replace the precompiled dart executable in tools.
+io/status_file_parser_test: Fail # used by both a test and the VM. Can be reenabled when we replace the precompiled dart executable in tools.
 
 io/directory_non_ascii_test: Fail  # Posting non-ascii strings through ports.
 io/file_non_ascii_test: Fail  # Posting non-ascii strings through ports.