provide EXPORT sub in 007::Test

In preparation of selectively re-using that module for tests that
run against runtime.007 instead of Runtime.pm.

Since we want to selectively "override" some of the subs from in
there, we'll want to selectively import the rest.

lib/_007/Test.pm

@@ -344,3 +344,20 @@ sub throws-exception($program, $message, $desc = "MISSING TEST DESCRIPTION") is
 
     flunk $desc;
 }
+
+our sub EXPORT(*@things) {
+    my %exports;
+    for @things -> $thing {
+        my $routine = {
+            '&read' => &read,
+            '&is-result' => &is-result,
+            '&is-error' => &is-error,
+            '&parses-to' => &parses-to,
+            '&parse-error' => &parse-error,
+            '&outputs' => &outputs,
+            '&throws-exception' => &throws-exception,
+        }{$thing} // die "Didn't find '$thing'";
+        %exports{$thing} = $routine;
+    }
+    return %exports;
+}