1  - given: an installed ambient
 2    impl:
 3      python:
 4        function: install_ambient
 5  
 6  - given: "an Ambient VM image {filename}"
 7    impl:
 8      python:
 9        function: install_vm_image
10    types:
11      filename: path
12  
13  - then: "JSON file {filename} contains {key}={value}"
14    impl:
15      python:
16        function: json_file_has_key_value
17  
18    types:
19      filename: path
20      key: word
21      value: text