Update.

test/await/await_fn_in_condition.wren

@@ -0,0 +1,24 @@
+// retoor <retoor@molodetz.nl>
+
+import "scheduler" for Scheduler, Future
+
+var isPositive = async { |x| x > 0 }
+var getValue = async { |x| x }
+
+if (await isPositive(5)) {
+    System.print("positive") // expect: positive
+}
+
+if (await isPositive(-5)) {
+    System.print("unreachable")
+} else {
+    System.print("negative") // expect: negative
+}
+
+var result = await isPositive(10) ? "yes" : "no"
+System.print(result) // expect: yes
+
+while (await getValue(false)) {
+    System.print("unreachable")
+}
+System.print("after while") // expect: after while