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uncomparable values <<TESTVALUE>> and <<100.0>>
java.lang.RuntimeException: uncomparable values <<TESTVALUE>> and <<100.0>>	at org.mvel2.math.MathProcessor.doOperationNonNumeric(MathProcessor.java:274)	at org.mvel2.math.MathProcessor._doOperations(MathProcessor.java:234)	at org.mvel2.math.MathProcessor.doOperations(MathProcessor.java:79)	at org.mvel2.ast.BinaryOperation.getReducedValueAccelerated(BinaryOperation.java:117)	at org.mvel2.MVELRuntime.execute(MVELRuntime.java:85)	at org.mvel2.compiler.CompiledExpression.getDirectValue(CompiledExpression.java:123)	at org.mvel2.compiler.CompiledExpression.getValue(CompiledExpression.java:119)	at org.mvel2.MVEL.executeExpression(MVEL.java:929)	at org.drools.core.util.MVELSafeHelper$RawMVELEvaluator.executeExpression(MVELSafeHelper.java:496)