ai chooseField returns not null

src/main/java/de/tims/fleetstorm/ai/Logic.java

@@ -0,0 +1,9 @@
+package de.tims.fleetstorm.ai;
+
+public class Logic {
+
+	public int[] chooseField() {
+		return new int[] {};
+	}
+
+}

src/test/java/de/tims/fleetstorm/ai/LogicTest.java

@@ -0,0 +1,16 @@
+package de.tims.fleetstorm.ai;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+import org.junit.jupiter.api.Test;
+
+class LogicTest {
+	Logic logic = new Logic();
+
+	@Test
+	void testFielIsNotNull() {
+		int[] calcResult = logic.chooseField();
+		assertNotNull(calcResult);
+	}
+
+}