Legacy Documentation. View NUnit 3 Documentation

Context Menu

The context menu is displayed when one of the tree nodes is right-clicked.


Runs the selected test - disabled if a test is running.

Run All

Runs all the tests.

Run Failed

Runs only the tests that failed on the previous run.

Show Checkboxes

Turns the display of checkboxes in the tree on or off. The checkboxes may be used to select multiple tests for running.


Expands the selected test node - invisible if the node is expanded or has no children.


Collapses the selected test node - invisible if the node is collapsed or has no children.

Expand All

Expands all nodes of the tree.

Collapse All

Collapses all nodes in the tree to the root.

Load Fixture

Reloads only the currently selected fixture or namespace. The fixture, once loaded, remains in effect through any subsequent reloads. This generally results in substantial reduction in load time.

Clear Fixture

Reloads all the tests, clearing the currently loaded fixture.


Displays the Test Properties for the selected test node.