Merge pull request 'test(m9): query presetSelect as PopUpButton to avoid duplicate match (#137)' (#138) from feat/137-presetselect-dup into milestone/m9-monterey

On the runner SDK the Picker label inherits the control accessibility
identifier, so the .any query for presetSelect matches both a
StaticText and the PopUpButton and .frame resolution fails.

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Tests/ICCeryUITests/AboutHelpUITests.swift

@@ -71,8 +71,10 @@ final class AboutHelpUITests: XCTestCase {
 
         // SDK 13.1 emits no AXGroup for the sidebar root, and an
         // identifier on the container clobbers child identifiers
-        // (#130) — measure a stable sidebar child instead.
+        // (#130) — measure a stable sidebar child instead. Query the
-        let sidebarChild = app.descendants(matching: .any)["presetSelect"]
+        // pop-up by type: the Picker's "Preset" label inherits the same
+        // identifier, so an .any query matches twice.
+        let sidebarChild = app.popUpButtons["presetSelect"]
         XCTAssertTrue(sidebarChild.waitForExistence(timeout: 10))
         let before = sidebarChild.frame