fix tests

Author: nkolev92

test/NuGet.Core.FuncTests/NuGet.Commands.FuncTest/RestoreCommandTests.cs

@@ -1694,7 +1694,7 @@ public async Task RestoreCommand_PopulatesProjectFileDependencyGroupsCorrectlyAs
 
                 // Assert
                 Assert.Equal(1, result.LockFile.ProjectFileDependencyGroups.Count);
-                Assert.Equal(".NETFramework,Version=v4.5", result.LockFile.ProjectFileDependencyGroups[0].FrameworkName);
+                Assert.Equal("net45", result.LockFile.ProjectFileDependencyGroups[0].FrameworkName);
                 Assert.Equal(new[] { "Newtonsoft.Json >= 6.0.4" }, result.LockFile.ProjectFileDependencyGroups[0].Dependencies.ToArray());
             }
         }

test/NuGet.Core.FuncTests/NuGet.Commands.FuncTest/compiler/resources/uwpBlankAppV2.json

@@ -16898,7 +16898,7 @@
     }
   },
   "projectFileDependencyGroups": {
-    "UAP,Version=v10.0": [
+    "uap10.0": [
       "Microsoft.NETCore.UniversalWindowsPlatform >= 5.0.0"
     ]
   },