Fix CustomElementMatchers test on windows (#3765)

Author: JonasKunz

apm-agent-plugin-sdk/src/test/java/co/elastic/apm/agent/sdk/bytebuddy/CustomElementMatchersTest.java

@@ -26,13 +26,13 @@
 import java.io.File;
 import java.io.IOException;
 import java.net.MalformedURLException;
+import java.net.URI;
 import java.net.URISyntaxException;
 import java.net.URL;
 import java.net.URLClassLoader;
-import java.net.URI;
-import java.nio.file.Files;
 import java.nio.file.FileSystem;
 import java.nio.file.FileSystems;
+import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.security.CodeSigner;
@@ -42,7 +42,12 @@
 import java.util.List;
 import java.util.Map;
 
-import static co.elastic.apm.agent.sdk.bytebuddy.CustomElementMatchers.*;
+import static co.elastic.apm.agent.sdk.bytebuddy.CustomElementMatchers.classLoaderCanLoadClass;
+import static co.elastic.apm.agent.sdk.bytebuddy.CustomElementMatchers.implementationVersionGte;
+import static co.elastic.apm.agent.sdk.bytebuddy.CustomElementMatchers.implementationVersionLte;
+import static co.elastic.apm.agent.sdk.bytebuddy.CustomElementMatchers.isAgentClassLoader;
+import static co.elastic.apm.agent.sdk.bytebuddy.CustomElementMatchers.isInAnyPackage;
+import static co.elastic.apm.agent.sdk.bytebuddy.CustomElementMatchers.isInternalPluginClassLoader;
 import static net.bytebuddy.matcher.ElementMatchers.none;
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -84,7 +89,7 @@ void testSemVerFallbackOnMavenProperties(@TempDir Path tempDir) throws URISyntax
             Map<String, String> fsProperties = new HashMap<>();
             fsProperties.put("create", "false");
 
-            URI fsUri = URI.create("jar:file://" + modifiedJar.toAbsolutePath());
+            URI fsUri = URI.create("jar:" + modifiedJar.toUri());
             try (FileSystem zipFs = FileSystems.newFileSystem(fsUri, fsProperties)) {
                 Files.delete(zipFs.getPath("META-INF", "MANIFEST.MF"));
             }