SimpleTestCursor has been replaced by RoboCursor in version 3 of Robolectric.
Have a look at robolectric/robolectric-shadows/shadows-core/src/main/java/org/robolectric/fakes/RoboCursor.java and robolectric/robolectric/src/test/java/org/robolectric/fakes/RoboCursorTest.java.