What does it do? The statement TEST-INJECTION introduces an injection for a test seam seam, which is closed using END-TEST-INJECTION. The test seam seam must be defined in the production code of the current program using the statement TEST-SEAM. When a unit test is performed, the statement block statement_block of the injection replaces the statement block of the test seam seam in production code. An injection can only be defined in the methods of test classes created
