fix: handle json.Unmarshal error in GetTestResult#258

lbroudoux merged 1 commit intomicrocks:mastermicrocks/microcks-cli:masterfrom

mugiwaraluffy56:fix/get-test-result-unmarshal-errormugiwaraluffy56/microcks-cli:fix/get-test-result-unmarshal-errorCopy head branch name to clipboard