Test

MyFirstUniverseFinal/src/com/company/cosmicbody/TestCosmicBody.java

@@ -0,0 +1,19 @@
+package com.company.cosmicbody;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+public class TestCosmicBody {
+    @Test
+    public void getBody(){
+        CosmicBody cosmicBody = new CosmicBody();
+        assertEquals(null, cosmicBody.getBody());
+    }
+
+    @Test
+    public void setBody(){
+        CosmicBody cosmicBody = new CosmicBody();
+        cosmicBody.setBody("planet");
+        assertEquals("planet", cosmicBody.getBody());
+    }
+}