The OnBeforeTestRun trigger signature is not valid. This trigger is called before each test function of a test codeunit is ...

The OnBeforeTestRun trigger signature is not valid. 

This trigger is called before each test function of a test codeunit is run. It must have the following signature where you can specify your own parameter names but must use the OnBeforeTestRun function name and the following parameter types: 
OnBeforeTestRun(CodeUnitId : Integer;CodeUnitName : Text[30];FunctionName : Text[128];FunctionTestPermissions : TestPermissions ) : Boolean 
The parameters specify the function. The return value determines if that function should be included in the test run. Returning FALSE skips the function.
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