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All the rule files should start with the same name as the window or frame. There is only one vocabulary and one workflow files so they should have the same name as the window or frame.
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Ruletests are the first and best way to debug and track down problems even before logs. Every rulesheet should have at least one ruletest except for with the exception of the fixed rulesheet.
You cannot have multiple separate tests in a single rulesheet and they must be separated to several ruletest files with the _Test<number>.ert suffix. Alternatively, use a single ruletest that can combines or triggers multiple rule conditions and actions.
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