pom.xml

@@ -33,6 +33,11 @@
 			<artifactId>spring-boot-starter-test</artifactId>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>4.13.2</version>
+		</dependency>
 
 		<!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-annotations
 		<dependency>

src/test/java/com/smhi/weather/OpenWeatherServiceTest.java

@@ -1,8 +1,8 @@
 package com.smhi.weather;
 
-import org.junit.jupiter.api.Test;
+import org.junit.Test;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.Assert.*;
 
 class OpenWeatherServiceTest {