prefixTracker.startPrefixMapping("meta-property",
XDIMESchemata.XDIME2_MCS_NAMESPACE);
final ExpressionContext expressionContext =
expressionFactory.createExpressionContext(null, prefixTracker);
final EnvironmentContextMock environmentContextMock =
new EnvironmentContextMock("environmentContextMock", expectations);
environmentContextMock.expects.getExpressionContext()
.returns(expressionContext).any();
requestContextMock.expects.getEnvironmentContext()
.returns(environmentContextMock).any();