add test for returning a tuple in a conditional statement

compiler/tests/function/mod.rs

@@ -174,3 +174,11 @@ fn test_return_array_tuple_pass() {
 
     assert_satisfied(program);
 }
+
+#[test]
+fn test_return_tuple_conditional() {
+    let bytes = include_bytes!("return_tuple_conditional.leo");
+    let program = parse_program(bytes).unwrap();
+
+    assert_satisfied(program);
+}

compiler/tests/function/return_tuple_conditional.leo

@@ -0,0 +1,15 @@
+// Returns a tuple using a conditional "if" statement.
+function tuple_conditional () -> (
+    i64,
+    i64
+) {
+    if true {
+        return (1, 1)
+    } else {
+        return (2, 2)
+    }
+}
+
+function main() {
+    let t = tuple_conditional();
+}