[v3-3-test] Fix pending partition run lookups for slash keys and duplicate rows (#69700)#69844

Lee-W merged 1 commit into

apache:v3-3-testapache/airflow:v3-3-testfrom

astronomer:backport-eb986f6-v3-3-testastronomer/airflow:backport-eb986f6-v3-3-testCopy head branch name to clipboard