Fix reporting of unexpected selections in integration tests

[stefanhaller]

Expected and actual selection were swapped in the error message.

[codacy-production[bot]]

Coverage summary from Codacy

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Coverage variation	Diff coverage
Report missing for c08a5fe4e79cc0b3f1810dd1c6a004a83cfa15f6[^1]	:white_check_mark: 0.00%

Coverage variation details

| | Coverable lines | Covered lines | Coverage | | ------------- | ------------- | ------------- | ------------- | | Common ancestor commit (c08a5fe4e79cc0b3f1810dd1c6a004a83cfa15f6) | Report Missing | Report Missing | Report Missing | | | Head commit (43e04febee93921462fd334407702ca8afcd9d7b) | 52054 | 45012 | 86.47% | **Coverage variation** is the difference between the coverage for the head and common ancestor commits of the pull request branch: ` - `

Diff coverage details

| | Coverable lines | Covered lines | Diff coverage | | ------------- | ------------- | ------------- | ------------- | | Pull request (#3662) | 1 | 0 | **0.00%** | **Diff coverage** is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: `/ * 100%`

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_{Codacy stopped sending the deprecated coverage status on June 5th, 2024. Learn more} [^1]: Codacy didn't receive coverage data for the commit, or there was an error processing the received data. Check your integration for errors and validate that your coverage setup is correct.

[stefanhaller]

Since this is such an obvious fix, and it doesn't change any production code, I'm just going to merge it without approval.