Kotlin: add test to show suspend function inconsistency between source and bytecode extraction

java/ql/test/kotlin/library-tests/java_and_kotlin/Java.java

@@ -1,5 +1,19 @@
+import kotlin.coroutines.Continuation;
+
 public class Java {
 	void javaFun() {
 		new Kotlin().kotlinFun();
 	}
+
+	public class Djava extends Base {
+		@Override
+		public String fn0(int x) {
+			return super.fn0(x);
+		}
+
+		@Override
+		public Object fn1(int x, Continuation<? super String> $completion) {
+			return super.fn1(x, $completion);
+		}
+	}
 }