fix: replace external placeholder images to fix flaky Panel/BackImageUrl test#540
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csharpfritz merged 1 commit intoFritzAndFriends:devfrom Apr 20, 2026
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The Panel/BackImageUrl sample page was loading images from https://via.placeholder.com which could be slow or unreachable in CI, causing the Playwright integration test to timeout waiting for networkidle (30s). Replace with local SVG placeholders that are served instantly from the app's wwwroot. Fixes flaky test: EditorControl_Loads_WithoutErrors(path: /ControlSamples/Panel/BackImageUrl) Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Summary
The Panel/BackImageUrl sample page was loading images from \https://via.placeholder.com\, an external service that can be slow, rate-limited, or unreachable in CI environments. This caused the Playwright integration test to timeout waiting for
etworkidle\ (30s).
Changes
Root Cause
\VerifyPageLoadsWithoutErrors\ uses \WaitUntilState.NetworkIdle\ with a 30s timeout. External image requests that hang or retry prevent the page from reaching network idle, causing flaky timeouts in CI.
Verified