assertEquals( calculatePositiveMask(list("j"), sp), betaNode2.getLeftDeclaredMask() );
assertEquals( calculatePositiveMask(list("a", "j"), sp), betaNode2.getLeftInferredMask() );
assertEquals( calculateNegativeMask(list("!i"), sp), betaNode2.getLeftNegativeMask() );
// test rule removal
kbase.removeRule( "org.drools.compiler.integrationtests", "r0" );
assertEquals( calculatePositiveMask(list("a"), sp), alphaNode1.getDeclaredMask( ) );
assertEquals( calculatePositiveMask(list("a", "i", "b"), sp), alphaNode1.getInferredMask() );
assertEquals( calculatePositiveMask(list("i"), sp), alphaNode1_2.getDeclaredMask( ) );
assertEquals( calculatePositiveMask(list("a", "i", "b"), sp), alphaNode1_2.getInferredMask() );