Add: Test for filenotfounderror

tests/unit/test_converter.py

@@ -0,0 +1,8 @@
+from ergogen_footprint_converter.converter import Converter
+
+def test_convert():
+    input = ""
+    converter = Converter(input)
+    res = converter.convert()
+
+

tests/unit/test_parser.py

@@ -0,0 +1,4 @@
+from ergogen_footprint_converter.parser import Parser
+
+def test_parser():
+    None