cloud-fan opened a new pull request #25463: [SPARK-28744][SQL][TEST] rename SharedSQLContext to SharedSparkSession URL: https://github.com/apache/spark/pull/25463 ## What changes were proposed in this pull request? The Spark SQL test framework needs to support 2 kinds of tests: 1. tests inside Spark to test Spark itself (extends `SparkFunSuite`) 2. test outside of Spark to test Spark applications (introduced at https://github.com/apache/spark/commit/b57ed2245c705fb0964462cf4492b809ade836c6) The class hierarchy of the major testing traits:  `PlanTestBase`, `SQLTestUtilsBase` and `SharedSparkSession` intentionally don't extend `SparkFunSuite`, so that they can be used for tests outside of Spark. Tests in Spark should extends `QueryTest` and/or `SharedSQLContext` in most cases. However, the name is a little confusing. As a result, some test suites extend `SharedSparkSession` instead of `SharedSQLContext`. `SharedSparkSession` doesn't work well with `SparkFunSuite` as it doesn't have the special handling of thread auditing in `SharedSQLContext`. This PR proposes to rename `SharedSparkSession` to `SharedSparkSessionBase`, and rename `SharedSQLContext` to `SharedSparkSession`. ## How was this patch tested? (Please explain how this patch was tested. E.g. unit tests, integration tests, manual tests) (If this patch involves UI changes, please attach a screenshot; otherwise, remove this) Please review https://spark.apache.org/contributing.html before opening a pull request.
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