question: test method for exercise.library.bookserviceimpl #getbooksummary java.lang.string . test the getbooksummary method for an empty isbn concode_field_sep BookService bookService concode_elem_sep BookRepository repository concode_field_sep void testRetrieveBook_By_EmptyString_Isbn concode_elem_sep void testBookServiceImpl_Constructor_NotNullObject concode_elem_sep void testRetrieveBook_By_Invalid_Isbn concode_elem_sep void testRetrieveBook_By_Valid_Isbn concode_elem_sep void testGetBookSummary_By_Valid_Isbn_001 concode_elem_sep void testGetBookSummary_By_Isbn_WithoutPrefix concode_elem_sep void testRetrieveBook_By_NullString_Isbn concode_elem_sep void testGetBookSummary_By_Valid_Isbn_002 concode_elem_sep void testRetrieveBook_By_Isbn_WithoutPrefix concode_elem_sep void setUp concode_elem_sep void testGetBookSummary_By_Invalid_Isbn concode_elem_sep void testGetBookSummary_By_NullString_Isbn
target: void function ( ) { bookService . getBookSummary ( "srini_string" ) ; }