Expected Collector.Diagnostics to contain 0 item(s), but found 2: { Elastic.Markdown.Diagnostics.Diagnostic { Column = 1, File = "/home/runner/work/docs-builder/docs-builder/docs/source/index.md", Length = 7, Line = 1, Message = "Directive block 'caution' is unsupported. See https://github.com/elastic/docs-builder/issues/3 for more information.", Severity = Severity.Warning {value: 1} }, Elastic.Markdown.Diagnostics.Diagnostic { Column = 0, File = "/home/runner/work/docs-builder/docs-builder/docs/source/index.md", Length = 12, Line = 10, Message = "`caution_ref` does not exist in index.md.", Severity = Severity.Error {value: 0} } }.

Expected Collector.Diagnostics to contain 0 item(s), but found 2: { Elastic.Markdown.Diagnostics.Diagnostic { Column = 1, File = "/home/runner/work/docs-builder/docs-builder/docs/source/index.md", Length = 7, Line = 1, Message = "Directive block 'caution' is unsupported. See https://github.com/elastic/docs-builder/issues/3 for more information.", Severity = Severity.Warning {value: 1} }, Elastic.Markdown.Diagnostics.Diagnostic { Column = 0, File = "/home/runner/work/docs-builder/docs-builder/docs/source/index.md", Length = 23, Line = 10, Message = "`hint_ref` does not exist in req.md.", Severity = Severity.Error {value: 0} } }.

Process completed with exit code 1.