pgsql: MSVC: Remove any tmp_check directory before running a TAP test s

MSVC: Remove any tmp_check directory before running a TAP test suite. Back-patch to v11, where commit 90627cf98a8e7d0531789391fd798c9bfcc3bc1a made the GNU make build system do likewise. Without this, when a typical PostgresNode-using test failed, subsequent runs bailed out with a "File exists" e

pgsql: MSVC: Finish clean.bat tmp_check coverage.

MSVC: Finish clean.bat tmp_check coverage. Use wildcards, so one can add a TAP test suite without updating this file. Back-patch to v11, which omitted multiple new suites. Branch -- master Details --- https://git.postgresql.org/pg/commitdiff/f3efef434fb107dfec8b7e225779479e39a5a360 Mod

pgsql: MSVC: Finish clean.bat tmp_check coverage.

MSVC: Finish clean.bat tmp_check coverage. Use wildcards, so one can add a TAP test suite without updating this file. Back-patch to v11, which omitted multiple new suites. Branch -- REL_11_STABLE Details --- https://git.postgresql.org/pg/commitdiff/8fb9aa08742038765b94a8be614a9eb0908f82

pgsql: MSVC: Remove any tmp_check directory before running a TAP test s

MSVC: Remove any tmp_check directory before running a TAP test suite. Back-patch to v11, where commit 90627cf98a8e7d0531789391fd798c9bfcc3bc1a made the GNU make build system do likewise. Without this, when a typical PostgresNode-using test failed, subsequent runs bailed out with a "File exists" e