Adding a new version for a data yang model [0][1] ends with NPE[2] on tests

[0] https://git.opendaylight.org/gerrit/#/c/64865/1
[1 ] https://git.opendaylight.org/gerrit/#/c/64866/1

[2]
testStateSynchronizationPerformed(org.opendaylight.bgpcep.pcep.topology.provider.IncrementalSynchronizationProcedureTest) Time elapsed: 3.706 sec <<< ERROR!
com.google.common.util.concurrent.UncheckedExecutionException: com.google.common.util.concurrent.UncheckedExecutionException: java.lang.NullPointerException: Failed to find schema for type ReferencedTypeImpl [packageName=org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync.optimizations.rev171025, name=Stateful1]
at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2218)
at com.google.common.cache.LocalCache.get(LocalCache.java:4147)
at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:4151)
at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:5140)
at com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:5146)
at org.opendaylight.mdsal.binding.dom.codec.impl.BindingNormalizedNodeCodecRegistry.getSerializer(BindingNormalizedNodeCodecRegistry.java:72)
at org.opendaylight.mdsal.binding.dom.codec.util.AugmentableDispatchSerializer.emitAugmentation(AugmentableDispatchSerializer.java:75)
at org.opendaylight.mdsal.binding.dom.codec.util.AugmentableDispatchSerializer.serialize(AugmentableDispatchSerializer.java:49)
at org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev171025.stateful.capability.tlv.Stateful$StreamWriter.serialize(DataObjectSerializerPrototype.java)
at org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev171025.StatefulTlv1$StreamWriter.serialize(DataObjectSerializerPrototype.java)
at org.opendaylight.mdsal.binding.dom.codec.impl.BindingNormalizedNodeCodecRegistry$DataObjectSerializerProxy.serialize(BindingNormalizedNodeCodecRegistry.java:303)
at org.opendaylight.mdsal.binding.dom.codec.util.AugmentableDispatchSerializer.emitAugmentation(AugmentableDispatchSerializer.java:77)
at org.opendaylight.mdsal.binding.dom.codec.util.AugmentableDispatchSerializer.serialize(AugmentableDispatchSerializer.java:49)
at org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.path.computation.client.StatefulTlv$StreamWriter.serialize(DataObjectSerializerPrototype.java)
at org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.PathComputationClient$StreamWriter.serialize(DataObjectSerializerPrototype.java)
at org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.Node1$StreamWriter.serialize(DataObjectSerializerPrototype.java)
at org.opendaylight.mdsal.binding.dom.codec.impl.BindingNormalizedNodeCodecRegistry$DataObjectSerializerProxy.serialize(BindingNormalizedNodeCodecRegistry.java:303)
at org.opendaylight.mdsal.binding.dom.codec.impl.BindingNormalizedNodeCodecRegistry.toNormalizedNode(BindingNormalizedNodeCodecRegistry.java:107)
at org.opendaylight.controller.md.sal.binding.impl.BindingToNormalizedNodeCodec.toNormalizedNode(BindingToNormalizedNodeCodec.java:136)
at org.opendaylight.controller.md.sal.binding.impl.AbstractWriteTransaction.put(AbstractWriteTransaction.java:39)
at org.opendaylight.controller.md.sal.binding.impl.BindingDOMWriteTransactionAdapter.put(BindingDOMWriteTransactionAdapter.java:40)
at org.opendaylight.bgpcep.pcep.topology.provider.AbstractTopologySessionListener.writeNode(AbstractTopologySessionListener.java:209)
at org.opendaylight.bgpcep.pcep.topology.provider.AbstractTopologySessionListener.onSessionUp(AbstractTopologySessionListener.java:192)
at org.opendaylight.bgpcep.pcep.topology.provider.IncrementalSynchronizationProcedureTest.testStateSynchronizationPerformed(IncrementalSynchronizationProcedureTest.java:61)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:283)
at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:173)
at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:128)
at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:203)
at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:155)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)