RFR: 8355332: Fix failing semi-manual test EDT issue [v2]

[Damon Nguyen]

> Fixed the failing test by adjusting the EDT block for `runTest`. Also fixed the strange phrasing for one of the instructions. Tested on W11 and passes.

Damon Nguyen has updated the pull request incrementally with one additional commit since the last revision:

  Add delay at the start of runTest. Modify final reminder.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/24804/files
  - new: https://git.openjdk.org/jdk/pull/24804/files/65ce738c..33ec41d5

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24804&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24804&range=00-01

  Stats: 4 lines in 2 files changed: 1 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/24804.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24804/head:pull/24804

PR: https://git.openjdk.org/jdk/pull/24804