New Custom Testing Framework

HISTORY.rst

@@ -44,9 +44,10 @@ Please check `Migration guide from 5.x to 6.0 <https://docs.platformio.org/en/la
 
 * **Unit Testing**
 
-  - New `Unit Testing <https://docs.platformio.org/en/latest/advanced/unit-testing/index.html>`_ engine and documentation
-  - Added support for `Test Hierarchies <https://docs.platformio.org/en/latest/advanced/unit-testing/structure.html>`_ (`issue #4135 <https://github.com/platformio/platformio-core/issues/4135>`_)
-  - Added a new "test" `build configuration <https://docs.platformio.org/en/latest/projectconf/build_configurations.html>`__
+  - New `Unit Testing <https://docs.platformio.org/en/latest/advanced/unit-testing/index.html>`_ solution and documentation
+  - New `Test Hierarchies <https://docs.platformio.org/en/latest/advanced/unit-testing/structure.html>`_ (`issue #4135 <https://github.com/platformio/platformio-core/issues/4135>`_)
+  - New `Custom Testing Framework <https://docs.platformio.org/en/latest/advanced/unit-testing/frameworks/custom/index.html>`_
+  - New "test" `build configuration <https://docs.platformio.org/en/latest/projectconf/build_configurations.html>`__
   - Generate reports in JUnit and JSON formats using the `pio test --output-format <https://docs.platformio.org/en/latest/core/userguide/cmd_test.html#cmdoption-pio-test-output-format>`__ option  (`issue #2891 <https://github.com/platformio/platformio-core/issues/2891>`_)
   - Provide more information when the native program crashed on a host (errored with a negative return code) (`issue #3429 <https://github.com/platformio/platformio-core/issues/3429>`_)
   - Fixed an issue when command line parameters ("--ignore", "--filter") do not override values defined in the |PIOCONF| (`issue #3845 <https://github.com/platformio/platformio-core/issues/3845>`_)