[Different setup and tear down initialisers] #unitTest

setupTeardownMethodsUT.swift

class MyTestClass: XCTestCase {
  
    // get called before first test begins
    override class func setUp() {
      	super.setup()
        // do something
    }

  	// get called before running each of the test cases in the class
    override func setUp() {
        // Put setup code here. This method is called before the invocation of each test method in the class.
    }
  
    override func test_sampleTest {
      	// do something
     	
      	addTeardownBlock {
          // get called ater this specific test case completes
        }
    }

    // get called after running each of the test cases in the class
    override func tearDown() {
        // Put teardown code here. This method is called after the invocation of each test method in the class.
    }
  
     // get called after all tests complete   
 	override class func tearDown() {
    	// do something
      	super.tearDown()
    }
  
}

// A convention to naming tests
// func test<System Under Test>_<Condition or State Change>_<Expected Result>() {
//
// }