Fix checkstyle issues.

Author: the-yash-rajput

src/test/java/com/thealgorithms/physics/GroundToGroundProjectileMotionTest.java

@@ -1,6 +1,7 @@
 package com.thealgorithms.physics;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;