Fix test harness execution (#228)

Fix test harness after bumping to new Parent pom and test harness versions.

src/test/groovy/AdvancedExtensionHarnessSuite.groovy

@@ -1,5 +1,7 @@
 import liquibase.harness.AdvancedHarnessSuite
+import liquibase.harness.snapshot.SnapshotObjectTests
+import org.junit.platform.suite.api.SelectClasses
 
+@SelectClasses([SnapshotObjectTests.class])
 class AdvancedExtensionHarnessSuite extends AdvancedHarnessSuite {
-
-}
+}

src/test/resources/liquibase/harness/change/expectedSnapshot/yugabytedb/createView.json

@@ -4,10 +4,10 @@
     "liquibase.structure.core.View": [
       {
         "view": {
-          "definition": " SELECT authors.id,\n    authors.first_name,\n    authors.last_name,\n    authors.email\n   FROM authors;",
+          "definition": "SELECT authors.id,\n    authors.first_name,\n    authors.last_name,\n    authors.email\n   FROM authors;",
           "name": "test_view"
         }
       }]
     }
   }
-}
+}