Fix issues from CL 3009573002.

pkg/front_end/testcases/compile.status

Index: pkg/front_end/testcases/compile.status
diff --git a/pkg/front_end/testcases/compile.status b/pkg/front_end/testcases/compile.status
index f75b5258ec1d3bb6794d829900a7e2e6186acdd9..e857171374037321f98141ba1c6b566f95880f79 100644
--- a/pkg/front_end/testcases/compile.status
+++ b/pkg/front_end/testcases/compile.status
@@ -53,8 +53,6 @@ rasta/constant_get_and_invoke: Fail
 rasta/deferred_lib: Fail
 rasta/deferred_load: Fail
 rasta/duplicated_mixin: Fail
-rasta/export: Fail
-rasta/foo: Fail
 rasta/for_loop: Fail
 rasta/generic_factory: Fail
 rasta/issue_000001: Fail
@@ -107,3 +105,7 @@ regress/issue_29983: Crash # Issue 29983.
 regress/issue_29984: Crash # Issue 29984.
 regress/issue_29985: Crash # Issue 29985.
 regress/issue_29987: Crash # Issue 29987.
+
+ambiguous_exports: RuntimeError # Expected, this file exports two main methods.
+rasta/export: RuntimeError # Expected, this file has no main method.
+rasta/foo: RuntimeError # Expected, this file has no main method.