update test cases

src/test/java/org/codelibs/fess/it/CrawlTestBase.java

src/test/java/org/codelibs/fess/it/admin/BackupTests.java

...test/java/org/codelibs/fess/it/admin/CrawlerLogTests.java

src/test/java/org/codelibs/fess/it/admin/GeneralTests.java

src/test/java/org/codelibs/fess/it/admin/JobLogTests.java

src/test/java/org/codelibs/fess/it/admin/LogTests.java

src/test/java/org/codelibs/fess/it/admin/PluginTests.java

src/test/java/org/codelibs/fess/it/admin/SuggestTests.java

...test/java/org/codelibs/fess/it/admin/SystemInfoTests.java

...ava/org/codelibs/fess/it/admin/dict/DictCrudTestBase.java

src/test/java/org/codelibs/fess/it/admin/dict/DictTests.java

.../java/org/codelibs/fess/it/admin/dict/ProtwordsTests.java

.../java/org/codelibs/fess/it/admin/dict/StopwordsTests.java

...test/java/org/codelibs/fess/it/search/SearchApiTests.java