Simplify TestPDETemplates

[akurtakov]

Use api rather than quering system property java.specification.version.

[eclipse-pde-bot]

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

ui/org.eclipse.pde.ui.templates.tests/META-INF/MANIFEST.MF
ui/org.eclipse.pde.ui.templates.tests/pom.xml

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 aa8459819ec49ae36af3a8974e7f35767eebe6e2 Mon Sep 17 00:00:00 2001
From: Eclipse PDE Bot <[email protected]>
Date: Thu, 10 Oct 2024 12:52:33 +0000
Subject: [PATCH] Version bump(s) for 4.34 stream


diff --git a/ui/org.eclipse.pde.ui.templates.tests/META-INF/MANIFEST.MF b/ui/org.eclipse.pde.ui.templates.tests/META-INF/MANIFEST.MF
index b117713246..84d658037d 100644
--- a/ui/org.eclipse.pde.ui.templates.tests/META-INF/MANIFEST.MF
+++ b/ui/org.eclipse.pde.ui.templates.tests/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Tests for PDE templates
 Bundle-SymbolicName: org.eclipse.pde.ui.templates.tests
-Bundle-Version: 1.2.400.qualifier
+Bundle-Version: 1.2.500.qualifier
 Bundle-Vendor: Eclipse.org
 Bundle-ClassPath: tests.jar
 Bundle-RequiredExecutionEnvironment: JavaSE-17
diff --git a/ui/org.eclipse.pde.ui.templates.tests/pom.xml b/ui/org.eclipse.pde.ui.templates.tests/pom.xml
index 74551303c0..9df428a4d1 100644
--- a/ui/org.eclipse.pde.ui.templates.tests/pom.xml
+++ b/ui/org.eclipse.pde.ui.templates.tests/pom.xml
@@ -18,7 +18,7 @@
     <relativePath>../../</relativePath>
   </parent>
   <artifactId>org.eclipse.pde.ui.templates.tests</artifactId>
-  <version>1.2.400-SNAPSHOT</version>
+  <version>1.2.500-SNAPSHOT</version>
   <packaging>eclipse-test-plugin</packaging>
 
   <properties>
-- 
2.46.2

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