Fix defaults for builds (#2675)

tests/utils/test_common.py

@@ -0,0 +1,21 @@
+"""Test common."""
+from pathlib import Path
+
+import pytest
+
+from supervisor.exceptions import ConfigurationFileError
+from supervisor.utils.common import find_one_filetype
+
+
+def test_not_found(tmp_path):
+    """Test default."""
+    with pytest.raises(ConfigurationFileError):
+        find_one_filetype(tmp_path, "test", [".json"])
+
+
+def test_with_found(tmp_path):
+    """Test default."""
+    test_file = Path(tmp_path, "test.json")
+    test_file.write_text("found")
+
+    assert find_one_filetype(tmp_path, "test", [".json"]) == test_file