Fix overriding of build system commands

This time, with testing. For a five line method, this was surprisingly
tricky to get right. Should sleep properly at night...

1 files changed, 1 insertions, 0 deletions

diff --git a/tests/setup_once b/tests/setup_once
index 0fa19fc4..32a0f045 100755
--- a/tests/setup_once
+++ b/tests/setup_once
@@ -57,6 +57,7 @@ cat <<EOF > hello.morph
 {
     "name": "hello",
     "kind": "chunk",
+    "build-system": "dummy",
     "build-commands": [
         "gcc -o hello hello.c"
     ],