Rationale
As a best practice, tests should always be isolated and create their own data. Accessing the org data for unit tests, using the annotation @IsTest(seeAllData=true), should be avoided.
Scope
Apex test classes
Apex test methods
As a best practice, tests should always be isolated and create their own data. Accessing the org data for unit tests, using the annotation @IsTest(seeAllData=true), should be avoided.
Apex test classes
Apex test methods