[UnitTest] - fix namespaces for data-structures-tests

Author: ivandrofly

UnitTest/DataStructuresTests/BinarySearchTreeTest.cs

@@ -1,9 +1,9 @@
-using DataStructures.Trees;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Linq;
+using DataStructures.Trees;
 using Xunit;
 
-namespace C_Sharp_Algorithms
+namespace UnitTest.DataStructuresTests
 {
     public static class BinarySearchTreeTest
     {

UnitTest/DataStructuresTests/BinomialHeapsTest.cs

@@ -1,7 +1,7 @@
 using DataStructures.Heaps;
 using Xunit;
 
-namespace C_Sharp_Algorithms.DataStructuresTests
+namespace UnitTest.DataStructuresTests
 {
     public static class BinomialHeapsTest
     {

UnitTest/DataStructuresTests/GraphsDirectedWeightedDenseGraphTest.cs

@@ -1,10 +1,9 @@
 using System;
-using System.Linq;
 using System.Diagnostics;
-
+using System.Linq;
 using DataStructures.Graphs;
 
-namespace C_Sharp_Algorithms.DataStructuresTests
+namespace UnitTest.DataStructuresTests
 {
     public static class GraphsDirectedWeightedDenseGraphTest
     {