added multiple tests for error cases

...main/java/avatartranslator/tosysmlv2/AvatarFromSysML.java

ttool/src/test/java/cli/CLIAvatar2SysMLV2Test.java

...st/resources/cli/models/avSysML_AttrTimerNameClashL.sysml

...sources/cli/models/avSysML_DupChParamSndPayloadErrE.sysml

.../src/test/resources/cli/models/avSysML_dupAttrDeclK.sysml

...t/resources/cli/models/avSysML_missingBlockBindErrH.sysml

.../test/resources/cli/models/avSysML_missingBlockErrG.sysml

...t/resources/cli/models/avSysML_missingChanInSndErrB.sysml

...esources/cli/models/avSysML_missingDatatypeDeclErrF.sysml

...st/resources/cli/models/avSysML_missingMethDeclErr8.sysml

...test/resources/cli/models/avSysML_missingOutMsgErr7.sysml

...urces/cli/models/avSysML_missingParamSndPayloadErrD.sysml

...est/resources/cli/models/avSysML_missingSndPayloadN.sysml

.../test/resources/cli/models/avSysML_missingStateErrA.sysml

...esources/cli/models/avSysML_missingStateMachineErr9.sysml

...t/resources/cli/models/avSysML_missingTimerDeclErrI.sysml

...esources/cli/models/avSysML_missingTimerOnTransErrJ.sysml

...t/resources/cli/models/avSysML_missingTransDeclErrC.sysml

...sources/cli/models/avSysML_missingTransRecvPayloadM.sysml