diff --git a/mdbxjni/src/test/java/com/castortech/mdbxjni/EnvTest.java b/mdbxjni/src/test/java/com/castortech/mdbxjni/EnvTest.java
index d46f445..f29809b 100644
--- a/mdbxjni/src/test/java/com/castortech/mdbxjni/EnvTest.java
+++ b/mdbxjni/src/test/java/com/castortech/mdbxjni/EnvTest.java
@@ -112,8 +112,9 @@ public void testEnvInfo() throws Exception {
 		String path = tmp.newFolder().getCanonicalPath();
 		try (Env env = new Env()) {
 //			env.addFlags(CREATE);
+			env.setGeometry(1048576L, -1L, 4000L * 1024 * 1024, 1048576L, -1L, -1L);
 			env.open(path);
-			env.setMapSize(1048576L);
+//			env.setMapSize(1048576L);
 			try (Database db = env.openDatabase()) {
 				db.put(new byte[]{1}, new byte[]{1});
 				EnvInfo info = env.info();
diff --git a/mdbxjni/src/test/java/com/castortech/mdbxjni/InsertTest.java b/mdbxjni/src/test/java/com/castortech/mdbxjni/InsertTest.java
index 0cf27d1..6b9f3f0 100644
--- a/mdbxjni/src/test/java/com/castortech/mdbxjni/InsertTest.java
+++ b/mdbxjni/src/test/java/com/castortech/mdbxjni/InsertTest.java
@@ -74,6 +74,8 @@ public void before() throws Exception {
 //		envConfig.setSafeNoSync(true);
 //		envConfig.setWriteMap(true);
 
+			envConfig.setMapSize(2000L * 1024 * 1024);	//2gb
+			envConfig.setMapGrowth(1000L * 1024 * 1024);	//1gb
 
 		//nosync
 //		envConfig.setWriteMap(true);
@@ -84,7 +86,6 @@ public void before() throws Exception {
 
 		env = new Env();
 		env.setMaxDbs(2);
-		env.setMapSize(6000L * 1024 * 1024);	//4gb
 		Env.pushMemoryPool(1024*512);
 		env.open(path, envConfig);
 //		db = env.openDatabase("primary");