23     output: [expectedOutputBytes],  property
28     output: [astralCharacterEncoded],  property
33     output: [astralCharacterEncoded.concat(astralCharacterEncoded)],  property
39     output: [astralCharacterEncoded, astralCharacterEncoded],  property
45     output: [astralCharacterEncoded.concat(replacementEncoded), astralCharacterEncoded],  property
52     output: [replacementEncoded],  property
58     output: [replacementEncoded.concat(astralCharacterEncoded)],  property
65     output: [replacementEncoded.concat([65])],  property
72     output: [replacementEncoded, astralCharacterEncoded],  property
79     output: [replacementEncoded, replacementEncoded],  property
85     output: [replacementEncoded, astralCharacterEncoded],  property
91     output: [replacementEncoded, astralCharacterEncoded],  property
97     output: [astralCharacterEncoded],  property
102     output: [replacementEncoded],  property
108     output: [],  property
113     output: [expectedOutputBytes],  property
118     output: [expectedOutputBytes],  property
123     output: [[65]],  property
128     output: [[195, 191]],  property
133 for (const {input, output, description} of testCases) {  property