Error Log

junit.framework.ComparisonFailure: 
----------- Expected ------------

------------ but was ------------
Problem : The project was not built since its build path is incomplete. Cannot find the class file for p.MyTrait$Trait$Helper. Fix the build path then try building this project [ resource : </Project> range : <-1,-1> category : <10> severity : <2>]
Problem : The type p.MyTrait$Trait$Helper cannot be resolved. It is indirectly referenced from required .class files [ resource : </Project/src/q/MyClass.groovy> range : <0,0> category : <10> severity : <2>]

--------- Difference is ----------
 expected:<[]> but was:<[Problem : The project was not built since its build path is incomplete. Cannot find the class file for p.MyTrait$Trait$Helper. Fix the build path then try building this project [ resource : </Project> range : <-1,-1> category : <10> severity : <2>]
Problem : The type p.MyTrait$Trait$Helper cannot be resolved. It is indirectly referenced from required .class files [ resource : </Project/src/q/MyClass.groovy> range : <0,0> category : <10> severity : <2>]
]>
	at org.eclipse.jdt.core.tests.junit.extension.TestCase.assertStringEquals(TestCase.java:239)
	at org.eclipse.jdt.core.tests.junit.extension.TestCase.assertStringEquals(TestCase.java:209)
	at org.eclipse.jdt.core.groovy.tests.builder.BuilderTestSuite.expectingNoProblemsFor(BuilderTestSuite.java:228)
	at org.eclipse.jdt.core.groovy.tests.builder.BuilderTestSuite.expectingNoProblems(BuilderTestSuite.java:223)
	at org.eclipse.jdt.core.groovy.tests.builder.BasicGroovyBuildTests.testTraitGRE1776(BasicGroovyBuildTests.java:3576)