Replace remaining usage of 'PLUGIN_PATH' system-property in tests

tests/org.eclipse.swt.tests/JUnit Tests/org/eclipse/swt/tests/junit/SwtTestUtil.java

@@ -581,7 +581,7 @@ public static boolean hasPixelNotMatching(Image image, Color nonMatchingColor, R
 	return false;
 }
 
-public static String getPath(String fileName, TemporaryFolder tempFolder) {
+public static Path getPath(String fileName, TemporaryFolder tempFolder) {
 	Path filePath = tempFolder.getRoot().toPath().resolve("image-resources").resolve(Path.of(fileName));
 	if (!Files.isRegularFile(filePath)) {
 		// Extract resource on the classpath to a temporary file to ensure it's
@@ -594,6 +594,6 @@ public static String getPath(String fileName, TemporaryFolder tempFolder) {
 			throw new IllegalArgumentException(e);
 		}
 	}
-	return filePath.toString();
+	return filePath;
 }
 }

tests/org.eclipse.swt.tests/JUnit Tests/org/eclipse/swt/tests/junit/Test_org_eclipse_swt_browser_Browser.java

@@ -84,10 +84,12 @@
 import org.eclipse.swt.widgets.Text;
 import org.junit.Before;
 import org.junit.BeforeClass;
+import org.junit.ClassRule;
 import org.junit.FixMethodOrder;
 import org.junit.Ignore;
 import org.junit.Rule;
 import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
 import org.junit.rules.TestName;
 import org.junit.runner.RunWith;
 import org.junit.runners.MethodSorters;
@@ -758,16 +760,11 @@ public void test_LocationListener_LocationListener_ordered_changing () {
 	assertTrue("Change of locations do not fire in order", locations.get(0).equals("about:blank") && locations.get(1).contains("testWebsiteWithTitle.html"));
 }
 
+@ClassRule
+public static TemporaryFolder tempFolder = new TemporaryFolder();
+
 private String getValidUrl() {
-	String pluginPath = System.getProperty("PLUGIN_PATH");
-	testLogAppend("PLUGIN_PATH: " + pluginPath);
-	// When test is run via Ant, URL needs to be acquired differently. In that case the PLUGIN_PATH property is set and used.
-	if (pluginPath != null) {
-		return Path.of(pluginPath, "data/testWebsiteWithTitle.html").toUri().toString();
-	} else {
-		// used when ran from Eclipse gui.
-		return Test_org_eclipse_swt_browser_Browser.class.getClassLoader().getResource("testWebsiteWithTitle.html").toString();
-	}
+	return SwtTestUtil.getPath("testWebsiteWithTitle.html", tempFolder).toUri().toString();
 }
 
 @Test

tests/org.eclipse.swt.tests/JUnit Tests/org/eclipse/swt/tests/junit/Test_org_eclipse_swt_graphics_Image.java

@@ -64,7 +64,7 @@ public class Test_org_eclipse_swt_graphics_Image {
 	public static TemporaryFolder tempFolder = new TemporaryFolder();
 
 	private static String getPath(String fileName) {
-		return SwtTestUtil.getPath(fileName, tempFolder);
+		return SwtTestUtil.getPath(fileName, tempFolder).toString();
 	}
 
 	ImageFileNameProvider imageFileNameProvider = zoom -> {

tests/org.eclipse.swt.tests/JUnit Tests/org/eclipse/swt/tests/junit/Test_org_eclipse_swt_internal_SVGRasterizer.java

@@ -37,7 +37,7 @@ public class Test_org_eclipse_swt_internal_SVGRasterizer {
 	public static TemporaryFolder tempFolder = new TemporaryFolder();
 
 	private static String getPath(String fileName) {
-		return SwtTestUtil.getPath(fileName, tempFolder);
+		return SwtTestUtil.getPath(fileName, tempFolder).toString();
 	}
 
 	@Test

tests/org.eclipse.swt.tests/test.xml

@@ -9,7 +9,6 @@
   <!-- sets the properties eclipse-home, and library-file -->
   <property name="eclipse-home" value="${basedir}/../.."/>
   <property name="plugin-name" value="org.eclipse.swt.tests"/>
-  <property name="plugin-path" value="${eclipse-home}/plugins/${org.eclipse.swt.tests}"/>
   <property name="library-file" value="${eclipse-home}/plugins/org.eclipse.test/library.xml"/>
 
   <!-- This target holds all initialization code that needs to be done for -->