ContractSynchronizationProviderTest

org.opentest4j.AssertionFailedError: expected: <> but was: <8 Errors for testTypeNull() :
Duplicate contract 10386770
Duplicate startTimestamp 10386770
Duplicate contract 10386770
Duplicate startTimestamp 10386770
Duplicate contract 10386770
Duplicate startTimestamp 10386770
Duplicate contract 10386770
Duplicate startTimestamp 10386770
>
	at org.junit.jupiter.api.AssertionFailureBuilder.build(AssertionFailureBuilder.java:151)
	at org.junit.jupiter.api.AssertionFailureBuilder.buildAndThrow(AssertionFailureBuilder.java:132)
	at org.junit.jupiter.api.AssertEquals.failNotEqual(AssertEquals.java:197)
	at org.junit.jupiter.api.AssertEquals.assertEquals(AssertEquals.java:182)
	at org.junit.jupiter.api.AssertEquals.assertEquals(AssertEquals.java:177)
	at org.junit.jupiter.api.Assertions.assertEquals(Assertions.java:1145)
	at com.smalltox.business.model.persistent.impl.contract.ContractSynchronizationProviderTest.testTypeNull(ContractSynchronizationProviderTest.java:113)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at java.util.ArrayList.forEach(ArrayList.java:1259)
	at java.util.ArrayList.forEach(ArrayList.java:1259)