Synthesis: Don't filter tests during decomposition. Filter as needed in terminal rules.

src/main/scala/leon/repair/rules/Focus.scala

src/main/scala/leon/synthesis/ExamplesBank.scala

src/main/scala/leon/synthesis/Problem.scala

src/main/scala/leon/synthesis/rules/ADTSplit.scala

src/main/scala/leon/synthesis/rules/Assert.scala

src/main/scala/leon/synthesis/rules/CEGISLike.scala

...scala/leon/synthesis/rules/GenericTypeEqualitySplit.scala

src/main/scala/leon/synthesis/rules/IfSplit.scala

src/main/scala/leon/synthesis/rules/InequalitySplit.scala

src/main/scala/leon/synthesis/rules/InputSplit.scala

src/main/scala/leon/synthesis/rules/IntroduceRecCalls.scala

...ala/leon/synthesis/rules/unused/IntegerInequalities.scala