Changed property to readonly
Changed property to readonly

SinnerSchraderMobileMirrors/OCMockito,nschum/OCMockito,igorsales/OCMockito,igorsales/OCMockito,SinnerSchraderMobileMirrors/OCMockito,SinnerSchraderMobileMirrors/OCMockito,nschum/OCMockito,jonreid/OCMockito,jonreid/OCMockito,jonreid/OCMockito