Add LongDivision (#3691)

src/test/java/com/thealgorithms/maths/LongDivisionTest.java

@@ -0,0 +1,25 @@
+package com.thealgorithms.maths;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class LongDivisionTest {
+	
+    @Test
+    void testOne() {
+        assertEquals(3, LongDivision.divide(10,3));
+    }
+  
+      @Test
+    void testTwo() {
+        assertEquals(-2, LongDivision.divide(7,-3));
+    }
+  
+  
+      @Test
+    void testThree() {
+        assertEquals(10, LongDivision.divide(105,10));
+    }
+	
+}