unittest: Added test for testRunawaySucceeds()

src/test/java/org/bitbiome/commands/UseCommandTest.java

@@ -1,6 +1,7 @@
 package org.bitbiome.commands;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.util.ArrayList;
 
@@ -35,6 +36,15 @@ public class UseCommandTest {
         assertEquals(100, com.getRunawayChance());
     }
 
+    @Test
+    public void testRunawaySucceeds() {
+        UseCommand com = new UseCommand();
+        assertEquals(true, com.runawaySucceeds(0));
+        assertEquals(false, com.runawaySucceeds(101));
+        int random = (int)(Math.random()*100);
+        assertTrue(com.runawaySucceeds(random) || !com.runawaySucceeds(random));
+    }
+
     @Test
     public void testUseItemMob() {
         UseCommand com = new UseCommand();