variantBuilder.setContentBuilder(contentBuilder);
policyBuilder.addVariantBuilder(variantBuilder);
// Activate the policyBuilder.
VariablePolicy policy = (VariablePolicy) activator.activate(
projectMock, policyBuilder, projectMock);
// Get the activated variantBuilder.
Variant activatedVariant = (Variant) policy.getVariants().get(0);
return activatedVariant.getContent();
}