Modify logic.
Merge topic 'alt-test-generator' into next

6d3b552e Modify logic.
Tests: Disable CMake binary tests for different test generator.
Tests: Use CMAKE_TEST_GENERATOR where intended.
Tests: Use CMAKE_CURRENT_BINARY_DIR in configure_file context.

Trivially modify the input files which are configured from the
Tests/ directory.
Merge topic 'alt-test-generator' into next

cc89aa0b Tests: Use CMAKE_CURRENT_BINARY_DIR in configure_file context.
7755f85e Tests: Use CMAKE_TEST_GENERATOR where intended.
911e1e68 Tests: Disable CMake binary tests for different test generator.
Move the test setup to the general test setup.
Tests: Build alt-test-generator tests in a separate binary dir.

This way, a single CMake build tree can be used to run the
unit tests with multiple generators.
Merge topic 'alt-test-generator' into next

7f91eb83 Tests: Build alt-test-generator tests in a separate binary dir.
adb89ea3 Move the test setup to the general test setup.