In version, 3.2 NUnit introduced a new attribute called “Order” to control the order of unit test cases run while running a test suite.

Test cases with Same order number are considered as one, NUnit will decide the order of their run.

The test cases do not have an Order number will follow the regular test run ordering. The Unit tests that have an Order number will always take precedence in Test Run.

Example source code is provided below.
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