chore: upgrade junit4 to junit4 for the geo-mem folder too

Author: vyshakputhusseri

geo-mem/pom.xml

@@ -26,9 +26,9 @@
 		</dependency>
 		<!-- Test Dependencies -->
 		<dependency>
-			<groupId>junit</groupId>
-			<artifactId>junit</artifactId>
-			<version>4.13.2</version>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter-api</artifactId>
+			<version>5.11.3</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>

geo-mem/src/test/java/com/github/davidmoten/geo/mem/GeomemTest.java

@@ -1,17 +1,13 @@
 package com.github.davidmoten.geo.mem;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
 import java.util.List;
 import java.util.UUID;
-
-import org.junit.Test;
-
 import com.google.common.base.Optional;
 import com.google.common.base.Predicate;
 import com.google.common.collect.Lists;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
 
 public class GeomemTest {
 
@@ -118,7 +114,7 @@ public void testGeomemFindWhenOneEntryOutsideRegion() {
     /**
      * Indicates 4.5MB per 1000 records. Thus one million entries needs 4500
      * entries.
-     * 
+     *
      * @throws InterruptedException
      */
     @Test