tests/links: heredocs are never linked

tests/links/symlink.py

@@ -6,6 +6,12 @@ def main():
     workdir, task = sys.argv[1:]
     src = Path(workdir) / "src"
     for srcfile in src.iterdir():
+        if srcfile.name == "heredoc":
+            assert(not srcfile.is_symlink())
+            with open(srcfile, "r") as f:
+                local_contents = f.readline()
+                assert(local_contents.strip() == 'log foo')
+        else:
             assert(srcfile.is_symlink() == (task == "link"))
 
 if __name__ == "__main__":

tests/links/symlink.sby

@@ -16,3 +16,6 @@ script dir/script.ys
 ../../docs/examples/demos/picorv32.v
 prv32fmcmp.v
 dir
+
+[file heredoc]
+log foo