refactor the imports order in test file:

Author: vijaykanthm

security-command-center/snippets/src/test/java/vtwo/AssetSecurityMarksIT.java

@@ -20,19 +20,19 @@
 import static junit.framework.TestCase.assertFalse;
 import static junit.framework.TestCase.assertTrue;
 
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.PrintStream;
-import java.util.concurrent.TimeUnit;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 import com.google.api.gax.rpc.InvalidArgumentException;
 import com.google.cloud.securitycenter.v1.Asset;
 import com.google.cloud.securitycenter.v1.ListAssetsRequest;
 import com.google.cloud.securitycenter.v1.SecurityCenterClient;
 import com.google.cloud.securitycenter.v2.OrganizationName;
 import com.google.cloud.securitycenter.v2.SecurityMarks;
 import com.google.cloud.testing.junit4.MultipleAttemptsRule;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.PrintStream;
+import java.util.concurrent.TimeUnit;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 import org.junit.After;
 import org.junit.AfterClass;
 import org.junit.Before;