introduce the cancel on close from pre-CAF PR74 in teh mockec FileWriter close
introduce the cancel on close from pre-CAF PR74 in teh mockec FileWriter close

jouvin/maven-tools,quattor/maven-tools,jouvin/maven-tools,quattor/maven-tools,jouvin/maven-tools,quattor/maven-tools,quattor/maven-tools,jouvin/maven-tools