diff --git a/plugins/proto-interface/src/test/java/org/polypheny/db/protointerface/NamedValueProcessorTest.java b/plugins/proto-interface/src/test/java/org/polypheny/db/protointerface/NamedValueProcessorTest.java
new file mode 100644
index 0000000000..049dce25ea
--- /dev/null
+++ b/plugins/proto-interface/src/test/java/org/polypheny/db/protointerface/NamedValueProcessorTest.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2019-2024 The Polypheny Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.polypheny.db.protointerface;
+
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+import java.util.HashMap;
+import java.util.Map;
+import org.junit.jupiter.api.Test;
+import org.polypheny.db.type.entity.PolyString;
+import org.polypheny.db.type.entity.PolyValue;
+
+
+public class NamedValueProcessorTest {
+
+    @Test
+    public void replacePlaceholders__missingValue() {
+        assertThrows( PIServiceException.class, () -> {
+            final String statement = "select * from people where (first_name = :first_name or last_name= :last_name) and project = :project);";
+
+            final Map<String, PolyValue> values = new HashMap<>();
+            values.put( "first_name", PolyString.of( "tobias" ) );
+            values.put( "last_name", PolyString.of( "hafner" ) );
+
+            NamedValueProcessor namedValueProcessor = new NamedValueProcessor( statement );
+        } );
+    }
+
+}
diff --git a/plugins/proto-interface/src/test/java/org/polypheny/db/protointerface/NamedValueProcssorTest.java b/plugins/proto-interface/src/test/java/org/polypheny/db/protointerface/NamedValueProcssorTest.java
deleted file mode 100644
index e8c055b238..0000000000
--- a/plugins/proto-interface/src/test/java/org/polypheny/db/protointerface/NamedValueProcssorTest.java
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Copyright 2019-2024 The Polypheny Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.polypheny.db.protointerface;
-
-import static org.junit.Assert.fail;
-
-import java.util.HashMap;
-import java.util.Map;
-import org.junit.After;
-import org.junit.AfterClass;
-import org.junit.Before;
-import org.junit.BeforeClass;
-import org.junit.Test;
-import org.polypheny.db.type.entity.PolyString;
-import org.polypheny.db.type.entity.PolyValue;
-
-
-public class NamedValueProcssorTest {
-
-    @BeforeClass
-    public static void setUpClass() {
-    }
-
-
-    @AfterClass
-    public static void tearDownClass() {
-    }
-
-
-    @Before
-    public void setUp() {
-    }
-
-
-    @After
-    public void tearDown() {
-    }
-
-
-    @Test(expected = PIServiceException.class)
-    public void replacePlaceholders__missingValue() throws Exception {
-        final String statement = "select * from people where (first_name = :first_name or last_name= :last_name) and project = :project);";
-
-        final Map<String, PolyValue> values = new HashMap<>();
-        values.put( "first_name", PolyString.of( "tobias" ) );
-        values.put( "last_name", PolyString.of( "hafner" ) );
-
-        //NamedValueProcessor namedValueProcessor = new NamedValueProcessor( statement );
-
-        fail( "No ProtoInterfaceServiceException thrown" );
-    }
-
-}
diff --git a/plugins/proto-interface/src/test/java/org/polypheny/db/protointerface/ProtoValueTest.java b/plugins/proto-interface/src/test/java/org/polypheny/db/protointerface/ProtoValueTest.java
index d6167900b4..63de82e03e 100644
--- a/plugins/proto-interface/src/test/java/org/polypheny/db/protointerface/ProtoValueTest.java
+++ b/plugins/proto-interface/src/test/java/org/polypheny/db/protointerface/ProtoValueTest.java
@@ -38,7 +38,6 @@
 import org.polypheny.db.type.entity.PolyBinary;
 import org.polypheny.db.type.entity.PolyBoolean;
 import org.polypheny.db.type.entity.PolyList;
-import org.polypheny.db.type.entity.PolyLong;
 import org.polypheny.db.type.entity.PolyNull;
 import org.polypheny.db.type.entity.PolyString;
 import org.polypheny.db.type.entity.PolyUserDefinedValue;
@@ -48,6 +47,7 @@
 import org.polypheny.db.type.entity.numerical.PolyDouble;
 import org.polypheny.db.type.entity.numerical.PolyFloat;
 import org.polypheny.db.type.entity.numerical.PolyInteger;
+import org.polypheny.db.type.entity.numerical.PolyLong;
 import org.polypheny.db.type.entity.temporal.PolyDate;
 import org.polypheny.db.type.entity.temporal.PolyTime;
 import org.polypheny.db.type.entity.temporal.PolyTimestamp;
@@ -106,7 +106,7 @@ public static PolyUserDefinedValue buildTestUdt() {
 
 
     @Test
-    public void polyBigDecimalSeriaizationTest() {
+    public void polyBigDecimalSerializationTest() {
         BigDecimal expectedValue = new BigDecimal( 1691879380700L );
         PolyBigDecimal expected = new PolyBigDecimal( expectedValue );
         ProtoValue protoValue = PolyValueSerializer.serialize( expected );