abstract Widget tests: take screenshot before dispose

[jukzi]

#1518

[jukzi]

needs eclipse-platform/eclipse.platform.releng.aggregator#2446

[github-actions]

Test Results

   486 files  ±  0     486 suites  ±0   7m 11s ⏱️ -27s
 4 114 tests  -  40   4 106 ✅  -  40   8 💤 ±0  0 ❌ ±0 
16 210 runs   - 160  16 118 ✅  - 160  92 💤 ±0  0 ❌ ±0 

Results for commit 5f795a4. ± Comparison against base commit eb9e8d6.

This pull request removes 40 tests.

org.eclipse.swt.tests.junit.Test_org_eclipse_swt_browser_Browser ‑ test_ConstructorLorg_eclipse_swt_widgets_WidgetI
org.eclipse.swt.tests.junit.Test_org_eclipse_swt_custom_CCombo ‑ test_ConstructorLorg_eclipse_swt_widgets_WidgetI
org.eclipse.swt.tests.junit.Test_org_eclipse_swt_custom_CLabel ‑ test_ConstructorLorg_eclipse_swt_widgets_WidgetI
org.eclipse.swt.tests.junit.Test_org_eclipse_swt_custom_CTabFolder ‑ test_ConstructorLorg_eclipse_swt_widgets_WidgetI
org.eclipse.swt.tests.junit.Test_org_eclipse_swt_custom_CTabItem ‑ test_ConstructorLorg_eclipse_swt_widgets_WidgetI
org.eclipse.swt.tests.junit.Test_org_eclipse_swt_custom_StyledText ‑ test_ConstructorLorg_eclipse_swt_widgets_WidgetI
org.eclipse.swt.tests.junit.Test_org_eclipse_swt_widgets_Button ‑ test_ConstructorLorg_eclipse_swt_widgets_WidgetI
org.eclipse.swt.tests.junit.Test_org_eclipse_swt_widgets_Canvas ‑ test_ConstructorLorg_eclipse_swt_widgets_WidgetI
org.eclipse.swt.tests.junit.Test_org_eclipse_swt_widgets_Caret ‑ test_ConstructorLorg_eclipse_swt_widgets_WidgetI
org.eclipse.swt.tests.junit.Test_org_eclipse_swt_widgets_Combo ‑ test_ConstructorLorg_eclipse_swt_widgets_WidgetI
…

♻️ This comment has been updated with latest results.