fix: Apply clang-format after merge

Author: sairamsharan

src/test/java/com/thealgorithms/graph/HierholzerAlgorithmTest.java

@@ -1,6 +1,7 @@
 package com.thealgorithms.graph;
 
 import static org.junit.jupiter.api.Assertions.*;
+
 import java.util.*;
 import org.junit.jupiter.api.Test;
 
@@ -42,7 +43,7 @@ public void testFailsForGraphWithOddDegreeVertices() {
         // The find method should return an empty list
         assertTrue(algorithm.findEulerianCircuit().isEmpty());
     }
-    
+
     @Test
     public void testFailsForDisconnectedGraph() {
         // Create a graph with two separate triangles (0-1-2 and 3-4-5)