Tweaks for flaky tests #5671

Job	Run time
storage-integration-tests (Swift)	8m 44s
storage-integration-tests (ObjC)	6m 40s
pod-lib-lint (ios, macos-14)	10m 2s
pod-lib-lint (tvos, macos-14)	8m 34s
pod-lib-lint (macos, macos-14)	6m 49s
pod-lib-lint (watchos, macos-14)	2m 26s
quickstart (swift, macos-14, Xcode_15.3)	4m 52s
spm-package-resolved	1m 12s
quickstart-ftl-cron-only	0s
spm (macos-13, Xcode_15.2, iOS)	7m 58s
spm (macos-14, Xcode_15.4, iOS)	15m 32s
spm (macos-15, Xcode_16, iOS)	2m 36s
spm (macos-15, Xcode_16, tvOS)	1m 55s
spm (macos-15, Xcode_16, macOS)	2m 34s
spm (macos-15, Xcode_16, watchOS)	2m 17s
spm (macos-15, Xcode_16, catalyst)	2m 15s
spm (macos-15, Xcode_16, visionOS)	2m 17s
storage-cron-only	0s
	1h 26m 43s

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