Review Sybase Adaptar Implementation

I have created Sybase package based on SQL Server implementation , while testing with following Fitnesse TestCase

!path lib/*.jar
!|dbfit.SybaseTest|

Getting Error

java.lang.IllegalArgumentException: DB Environment not supported:Sybase
	at dbfit.api.DbEnvironmentFactory.createEnvironmentInstance(DbEnvironmentFactory.java:99)
	at dbfit.api.DbEnvironmentFactory.newEnvironmentInstance(DbEnvironmentFactory.java:106)
	at dbfit.SybaseTest.(SybaseTest.java:5)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
	at java.lang.reflect.Constructor.newInstance(Unknown Source)
	at java.lang.Class.newInstance(Unknown Source)
	at fit.FixtureClass.newInstance(FixtureClass.java:24)
	at fit.FixtureLoader.instantiateFixture(FixtureLoader.java:62)
	at fit.FixtureLoader.instantiateFirstValidFixtureClass(FixtureLoader.java:84)
	at fit.FixtureLoader.disgraceThenLoad(FixtureLoader.java:44)
	at fit.Fixture.loadFixture(Fixture.java:141)
	at fit.Fixture.getLinkedFixtureWithArgs(Fixture.java:133)
	at fit.Fixture.doTables(Fixture.java:78)
	at fit.FitServer.process(FitServer.java:81)
	at fit.FitServer.run(FitServer.java:56)
	at fit.FitServer.main(FitServer.java:41)

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FYI , I have exported the JAR (dbfit-sybase-3.0.1.jar ) and placed in Lib folder of DBfit installation on my PC
(D:\Manish\Development\dbfit-complete-3.0.1\lib)

Also I have Sybase JDBC driver jconn2.jar in Lib folder as well.

Please advise whats going wrong.