Simplify SymLink creation in eclipse.core.tests

[HannesWell]

As discussed in #755 (comment).

[github-actions]

Test Results

 1 674 files   -  81   1 674 suites   - 81   1h 26m 45s ⏱️ - 7m 9s
 4 017 tests  - 153   3 988 ✅  - 160   22 💤 ±0   7 ❌ + 7 
12 648 runs   - 459  12 467 ✅  - 476  164 💤 ±0  17 ❌ +17 

For more details on these failures, see this check.

Results for commit 18f2896. ± Comparison against base commit 9327d90.

This pull request removes 153 tests.

AllCompareTests AsyncExecTests ‑ testCancelOnRequeue
AllCompareTests AsyncExecTests ‑ testQueueAdd
AllCompareTests AsyncExecTests ‑ testWorker
AllCompareTests CompareFileRevisionEditorInputTest ‑ testPrepareCompareInputWithNonLocalResourceTypedElements
AllCompareTests CompareUIPluginTest ‑ testFindContentViewerDescriptorForTextType_StreamAccessor
AllCompareTests CompareUIPluginTest ‑ testFindContentViewerDescriptor_TextType_NotStreamAccessor
AllCompareTests CompareUIPluginTest ‑ testFindContentViewerDescriptor_UnknownType
AllCompareTests ContentMergeViewerTest ‑ testFFFX
AllCompareTests ContentMergeViewerTest ‑ testFFTX
AllCompareTests ContentMergeViewerTest ‑ testFFXF
…

♻️ This comment has been updated with latest results.

[eclipse-platform-bot]

This pull request changes some projects for the first time in this development cycle.
Therefore the following files need a version increment:

runtime/tests/org.eclipse.core.tests.harness/META-INF/MANIFEST.MF

An additional commit containing all the necessary changes was pushed to the top of this PR's branch. To obtain these changes (for example if you want to push more changes) either fetch from your fork or apply the git patch.

Git patch

From 1f5d62a9ec61ad940091491421472a51675619de Mon Sep 17 00:00:00 2001
From: Eclipse Platform Bot <[email protected]>
Date: Tue, 26 Nov 2024 20:26:11 +0000
Subject: [PATCH] Version bump(s) for 4.35 stream


diff --git a/runtime/tests/org.eclipse.core.tests.harness/META-INF/MANIFEST.MF b/runtime/tests/org.eclipse.core.tests.harness/META-INF/MANIFEST.MF
index d70afdf6ca..960ca86689 100644
--- a/runtime/tests/org.eclipse.core.tests.harness/META-INF/MANIFEST.MF
+++ b/runtime/tests/org.eclipse.core.tests.harness/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Eclipse Core Tests Harness
 Bundle-SymbolicName: org.eclipse.core.tests.harness;singleton:=true
-Bundle-Version: 3.17.100.qualifier
+Bundle-Version: 3.17.200.qualifier
 Bundle-Vendor: Eclipse.org
 Export-Package: org.eclipse.core.tests.harness;version="2.0",
  org.eclipse.core.tests.harness.session,
-- 
2.47.0

Further information are available in Common Build Issues - Missing version increments.