Test Synchronously

Attribute	Type	Description	Package Types Applicable
testSynchronous	boolean	Ensure all tests of the package is triggered synchronously	unlocked org-dependent unlocked source diff

sfp by default attempts to trigger all the apex tests in a package in asynchronous mode during validation. This is to ensure that you have a highly performant apex test classes which provide you fast feedback.

During installation of packages, test cases are triggered synchronously for source and diff packages. Unlocked and Org-depednendent packages do not trigger any apex test during installation

If you have inherited an existing code base or your unit tests have lot of DML statemements, you will encounter test failuers when a tests in package is triggered asynchronously. You can instruct sfp to trigger the tests of the package in a synchronous mode by setting 'testSynchnronous as true

// Demonstrating how to do use testSynchronous
{
  "packageDirectories": [
    {
      "path": "core-crm",
      "package": "core-crm",
      "versionDescription": "Package containing core schema and classes",
      "versionNumber": "4.7.0.NEXT",
      
    },
     ...
   ]
}