When excluding tests, only exclude exact matches. Fix some qt 6 tests.

[nyalldawson]

Otherwise eg an entry in the blocklist for PyQgsAnnotation will prevent the PyQgsAnnotationRectTextItem test from running

[github-actions]

🪟 Windows builds

Download Windows builds of this PR for testing.
Debug symbols for this build are available here.
(Built from commit 6c4e215)

🪟 Windows Qt6 builds

Download Windows Qt6 builds of this PR for testing.
(Built from commit 6c4e215)

[github-actions]

Tests failed for Qt 6

One or more tests failed using the build from commit a127048

layout_export

layout_export

Test failed at test_layout_export at tests/src/python/test_selective_masking.py:883

Rendered image did not match tests/testdata/control_images/selective_masking/layout_export/layout_export.png (found 43 pixels different)

layout_export_text_masking_w_transparency

layout_export_text_masking_w_transparency

Test failed at test_layout_export_text_masking_w_transparency at tests/src/python/test_selective_masking.py:1073

Rendered image did not match tests/testdata/control_images/selective_masking/layout_export_text_masking_w_transparency/layout_export_text_masking_w_transparency.png (found 264 pixels different)

layout_export_w_effects

layout_export_w_effects

Test failed at test_layout_export_w_effects at tests/src/python/test_selective_masking.py:920

Rendered image did not match tests/testdata/control_images/selective_masking/layout_export_w_effects/layout_export_w_effects.png (found 320 pixels different)

multiple_label_masks_different_sets_sequential_nocache

multiple_label_masks_different_sets_sequential_nocache

Test failed at test_multiple_label_masks_different_sets at tests/src/python/test_selective_masking.py:422

• Rendered image did not match tests/testdata/control_images/selective_masking/multiple_label_masks_different_sets/variant1/multiple_label_masks_different_sets.png (found 5094 pixels different)
• Rendered image did not match tests/testdata/control_images/selective_masking/multiple_label_masks_different_sets/variant2/multiple_label_masks_different_sets.png (found 65 pixels different)

multiple_label_masks_same_set_sequential_nocache

multiple_label_masks_same_set_sequential_nocache

Test failed at test_multiple_label_masks_same_set at tests/src/python/test_selective_masking.py:461

• Rendered image did not match tests/testdata/control_images/selective_masking/multiple_label_masks_same_set/variant1/multiple_label_masks_same_set.png (found 4819 pixels different)
• Rendered image did not match tests/testdata/control_images/selective_masking/multiple_label_masks_same_set/variant2/multiple_label_masks_same_set.png (found 65 pixels different)

The full test report (included comparison of rendered vs expected images) can be found here.

Further documentation on the QGIS test infrastructure can be found in the Developer's Guide.