TRUNK-6162 Fix failing DatabaseUpdaterDatabaseIT test

Author: dkayiwa

api/src/test/java/org/openmrs/util/DatabaseUpdaterDatabaseIT.java

@@ -12,7 +12,9 @@
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.openmrs.liquibase.ChangeLogDetective;
 import org.openmrs.liquibase.ChangeLogVersionFinder;
+import org.powermock.reflect.Whitebox;
 
 import java.util.List;
 import java.util.Map;
@@ -46,6 +48,10 @@ public void tearDown() {
 
 	@Test
 	public void should() throws Exception {
+		
+		Whitebox.setInternalState(ChangeLogDetective.getInstance(), "initialSnapshotVersion", (Object)null);
+		Whitebox.setInternalState(ChangeLogDetective.getInstance(), "unrunLiquibaseUpdates", (Object)null);
+		
 		ChangeLogVersionFinder changeLogVersionFinder = new ChangeLogVersionFinder();
 		Map<String, List<String>> snapshotCombinations = changeLogVersionFinder.getSnapshotCombinations();
 		updateDatabase(snapshotCombinations.get(VERSION_2_1_X));