Exclude javassist from curator-test in test scope of pom file to prevent...

Exclude javassist from curator-test in test scope of pom file to prevent error in unit test of tachyon.hadoop.TFSTest.

>>mvn --version output.

Apache Maven 3.2.1 (ea8b2b07643dbb1b84b6d16e1f08391b666bc1e9; 2014-02-14T12:37:52-05:00)
Maven home: /usr/local/Cellar/maven/3.2.1/libexec
Java version: 1.8.0, vendor: Oracle Corporation
Java home: /Library/Java/JavaVirtualMachines/jdk1.8.0.jdk/Contents/Home/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "mac os x", version: "10.9.4", arch: "x86_64", family: "mac"

>> mvn install, output error Message:

Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.366 sec <<< FAILURE!
tachyon.hadoop.TFSTest  Time elapsed: 0.366 sec  <<< ERROR!
java.lang.IllegalStateException: Failed to transform class with name tachyon.client.TachyonFS. Reason: java.io.IOException: invalid constant type: 18
	at javassist.bytecode.ConstPool.readOne(ConstPool.java:1113)
	at javassist.bytecode.ConstPool.read(ConstPool.java:1056)
	at javassist.bytecode.ConstPool.<init>(ConstPool.java:150)
	at javassist.bytecode.ClassFile.read(ClassFile.java:765)
	at javassist.bytecode.ClassFile.<init>(ClassFile.java:109)
	at javassist.CtClassType.getClassFile2(CtClassType.java:191)
	at javassist.CtClassType.subtypeOf(CtClassType.java:304)
	at javassist.CtClassType.subtypeOf(CtClassType.java:319)
	at javassist.compiler.MemberResolver.compareSignature(MemberResolver.java:248)
	at javassist.compiler.MemberResolver.lookupMethod(MemberResolver.java:120)
	at javassist.compiler.MemberResolver.lookupMethod(MemberResolver.java:97)
	at javassist.compiler.TypeChecker.atMethodCallCore(TypeChecker.java:711)
	at javassist.expr.NewExpr$ProceedForNew.setReturnType(NewExpr.java:244)
	at javassist.compiler.JvstTypeChecker.atCallExpr(JvstTypeChecker.java:147)
	at javassist.compiler.ast.CallExpr.accept(CallExpr.java:46)
	at javassist.compiler.TypeChecker.atVariableAssign(TypeChecker.java:249)
	at javassist.compiler.TypeChecker.atAssignExpr(TypeChecker.java:218)
	at javassist.compiler.ast.AssignExpr.accept(AssignExpr.java:39)
	at javassist.compiler.CodeGen.doTypeCheck(CodeGen.java:242)
	at javassist.compiler.CodeGen.atStmnt(CodeGen.java:330)
	at javassist.compiler.ast.Stmnt.accept(Stmnt.java:50)
	at javassist.compiler.CodeGen.atStmnt(CodeGen.java:351)
	at javassist.compiler.ast.Stmnt.accept(Stmnt.java:50)
	at javassist.compiler.CodeGen.atIfStmnt(CodeGen.java:405)
	at javassist.compiler.CodeGen.atStmnt(CodeGen.java:355)
	at javassist.compiler.ast.Stmnt.accept(Stmnt.java:50)
	at javassist.compiler.Javac.compileStmnt(Javac.java:569)
	at javassist.expr.NewExpr.replace(NewExpr.java:207)
	at org.powermock.core.transformers.impl.MainMockTransformer$PowerMockExpressionEditor.edit(MainMockTransformer.java:427)
	at javassist.expr.ExprEditor.loopBody(ExprEditor.java:212)
	at javassist.expr.ExprEditor.doit(ExprEditor.java:91)
	at javassist.CtClassType.instrument(CtClassType.java:1385)
	at org.powermock.core.transformers.impl.MainMockTransformer.transform(MainMockTransformer.java:74)
	at org.powermock.core.classloader.MockClassLoader.loadMockClass(MockClassLoader.java:210)
	at org.powermock.core.classloader.MockClassLoader.loadModifiedClass(MockClassLoader.java:144)
	at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass(DeferSupportingClassLoader.java:67)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:340)
	at sun.reflect.generics.factory.CoreReflectionFactory.makeNamedType(CoreReflectionFactory.java:114)
	at sun.reflect.generics.visitor.Reifier.visitClassTypeSignature(Reifier.java:125)
	at sun.reflect.generics.tree.ClassTypeSignature.accept(ClassTypeSignature.java:49)
	at sun.reflect.annotation.AnnotationParser.parseSig(AnnotationParser.java:439)
	at sun.reflect.annotation.AnnotationParser.parseClassValue(AnnotationParser.java:420)
	at sun.reflect.annotation.AnnotationParser.parseClassArray(AnnotationParser.java:724)
	at sun.reflect.annotation.AnnotationParser.parseArray(AnnotationParser.java:531)
	at sun.reflect.annotation.AnnotationParser.parseMemberValue(AnnotationParser.java:355)
	at sun.reflect.annotation.AnnotationParser.parseAnnotation2(AnnotationParser.java:286)
	at sun.reflect.annotation.AnnotationParser.parseAnnotations2(AnnotationParser.java:120)
	at sun.reflect.annotation.AnnotationParser.parseAnnotations(AnnotationParser.java:72)
	at java.lang.Class.createAnnotationData(Class.java:3410)
	at java.lang.Class.annotationData(Class.java:3399)
	at java.lang.Class.getAnnotations(Class.java:3335)
	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.classAnnotations(PowerMockJUnit44RunnerDelegateImpl.java:163)
	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.getDescription(PowerMockJUnit44RunnerDelegateImpl.java:155)
	at org.powermock.modules.junit4.common.internal.impl.JUnit4TestSuiteChunkerImpl.getDescription(JUnit4TestSuiteChunkerImpl.java:177)
	at org.powermock.modules.junit4.common.internal.impl.AbstractCommonPowerMockRunner.getDescription(AbstractCommonPowerMockRunner.java:47)
	at org.powermock.modules.junit4.PowerMockRunner.run(PowerMockRunner.java:51)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:264)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:124)