question: public static File writeJUnitTestFile ( String junitOutputDir , String packageName , ExecutableSequence es , String className ) { JunitFileWriter writer = new JunitFileWriter ( junitOutputDir , packageName , "dummy" ) ; writer . createOutputDir ( ) ; return writer . writeTestClass ( Collections . singletonList ( es ) , className ) ; }
target:  writeJUnitTestFile is a static method that writes a single test class to the specified directory and with the specified class name.