Instead of calling Subject.actual(), store the actual value in a field, and read that.

actual() is being removed.

END_PUBLIC

More information:
  go/truth-subject-lsc

Tested:
    TAP --sample ran all affected tests and none failed
    http://test/OCL:247603798:BASE:247590976:1557496820360:d42d3bab
PiperOrigin-RevId: 247623328
Change-Id: I2f48474a3d7b2c7d9cfac0c538ea7a2846faca67
diff --git a/src/main/java/com/google/android/libraries/feed/common/testing/RunnableSubject.java b/src/main/java/com/google/android/libraries/feed/common/testing/RunnableSubject.java
index 21dc7f5..e54648f 100644
--- a/src/main/java/com/google/android/libraries/feed/common/testing/RunnableSubject.java
+++ b/src/main/java/com/google/android/libraries/feed/common/testing/RunnableSubject.java
@@ -82,7 +82,7 @@
     failWithoutActual(
         fact("expected to throw", clazz.getName()),
         simpleFact("but ran to completion"),
-        fact("runnable was", actual()));
+        fact("runnable was", actual));
     return null;
   }