Revert ProxyStatementFactory throws narrowing in jdbc tests

Agent-Logs-Url: https://github.com/open-telemetry/opentelemetry-java-instrumentation/sessions/16a931f8-bf41-4615-bfcf-a0c57800589e

Co-authored-by: trask <218610+trask@users.noreply.github.com>

Author: Copilot

instrumentation/jdbc/testing/src/main/java/io/opentelemetry/instrumentation/jdbc/testing/AbstractJdbcInstrumentationTest.java

@@ -1584,7 +1584,7 @@ void testHandleRecursiveStatements(
   // https://github.com/open-telemetry/opentelemetry-java-instrumentation/issues/6015
   @DisplayName("test proxy statement")
   @Test
-  void testProxyStatement() throws SQLException {
+  void testProxyStatement() throws Exception {
     Connection connection = wrap(new org.h2.Driver().connect(jdbcUrls.get("h2"), null));
     cleanup.deferCleanup(connection);
     Statement statement = connection.createStatement();

instrumentation/jdbc/testing/src/main/java/io/opentelemetry/instrumentation/jdbc/testing/ProxyStatementFactory.java

@@ -14,14 +14,9 @@
 
 class ProxyStatementFactory {
 
-  static Statement proxyStatementWithCustomClassLoader(Statement statement) {
+  static Statement proxyStatementWithCustomClassLoader(Statement statement) throws Exception {
     TestClassLoader classLoader = new TestClassLoader(ProxyStatementFactory.class.getClassLoader());
-    Class<?> testInterface;
-    try {
-      testInterface = classLoader.loadClass(TestInterface.class.getName());
-    } catch (ClassNotFoundException e) {
-      throw new IllegalStateException("failed to load test interface", e);
-    }
+    Class<?> testInterface = classLoader.loadClass(TestInterface.class.getName());
     if (testInterface.getClassLoader() != classLoader) {
       throw new IllegalStateException("wrong class loader");
     }