test: add NYI test for empty finally block (#789)

jadx-core/src/test/java/jadx/tests/integration/trycatch/TestEmptyFinally.java

+package jadx.tests.integration.trycatch;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+
+import org.junit.jupiter.api.Test;
+
+import jadx.NotYetImplemented;
+import jadx.core.dex.nodes.ClassNode;
+import jadx.tests.api.IntegrationTest;
+
+import static jadx.tests.api.utils.JadxMatchers.containsOne;
+import static org.hamcrest.MatcherAssert.assertThat;
+
+public class TestEmptyFinally extends IntegrationTest {
+
+	public static class TestCls {
+		@SuppressWarnings("EmptyFinallyBlock")
+		public void test(FileInputStream f1) {
+			try {
+				f1.close();
+			} catch (IOException e) {
+				// do nothing
+			} finally {
+				// ignore
+			}
+		}
+	}
+
+	@NotYetImplemented
+	@Test
+	public void test() {
+		ClassNode cls = getClassNode(TestCls.class);
+		String code = cls.getCode().toString();
+
+		assertThat(code, containsOne("} catch (IOException e) {"));
+		assertThat(code, containsOne("} finally {")); // ???
+	}
+}