System.IO.FileSystem.AccessControl.Tests fails some tests on non english windows (#27628)

Author: AlexRadch

src/System.IO.FileSystem.AccessControl/tests/FileSystemSecurityTests.cs

@@ -33,7 +33,7 @@ public void AddAccessRule_Succeeds()
                 fileSecurity.GetAccessRules(true, true, typeof(System.Security.Principal.NTAccount));
             Assert.Equal(1, rules.Count);
             var actualAddedRule = (FileSystemAccessRule)rules[0];
-            Assert.Equal(accessRule.IdentityReference, actualAddedRule.IdentityReference);
+            Assert.Equal(new SecurityIdentifier(WellKnownSidType.LocalSystemSid, null).Translate(typeof(NTAccount)), actualAddedRule.IdentityReference);
             Assert.Equal(accessRule.FileSystemRights, actualAddedRule.FileSystemRights);
             Assert.Equal(accessRule.AccessControlType, actualAddedRule.AccessControlType);
         }
@@ -81,7 +81,7 @@ public void SetAccessRule_IgnoreExistingRule_Succeeds()
 
             Assert.Equal(2, rules.Count);
             var existingAccessRule = (FileSystemAccessRule)rules[0];
-            Assert.Equal(new NTAccount(@"NT AUTHORITY\SYSTEM"), existingAccessRule.IdentityReference);
+            Assert.Equal(new SecurityIdentifier(WellKnownSidType.LocalSystemSid, null).Translate(typeof(NTAccount)), existingAccessRule.IdentityReference);
             existingAccessRule = (FileSystemAccessRule)rules[1];
             Assert.Equal(new NTAccount(@"NT AUTHORITY\Network Service"), existingAccessRule.IdentityReference);
         }
@@ -256,7 +256,7 @@ public void RemoveAccessRuleAll_Succeeds()
 
             Assert.Equal(2, rules.Count);
             var existingAccessRule = (FileSystemAccessRule)rules[0];
-            Assert.Equal(new NTAccount(@"NT AUTHORITY\SYSTEM"), existingAccessRule.IdentityReference);
+            Assert.Equal(new SecurityIdentifier(WellKnownSidType.LocalSystemSid, null).Translate(typeof(NTAccount)), existingAccessRule.IdentityReference);
             Assert.Equal(AccessControlType.Deny, existingAccessRule.AccessControlType);
             Assert.Equal(FileSystemRights.ReadPermissions, existingAccessRule.FileSystemRights);
             existingAccessRule = (FileSystemAccessRule)rules[1];
@@ -286,7 +286,7 @@ public void AddAuditRule_Succeeds()
                 fileSecurity.GetAuditRules(true, true, typeof(System.Security.Principal.NTAccount));
             Assert.Equal(1, auditRules.Count);
             var actualAddedRule = (FileSystemAuditRule)auditRules[0];
-            Assert.Equal(new NTAccount(@"NT AUTHORITY\SYSTEM"), actualAddedRule.IdentityReference);
+            Assert.Equal(new SecurityIdentifier(WellKnownSidType.LocalSystemSid, null).Translate(typeof(NTAccount)), actualAddedRule.IdentityReference);
             Assert.Equal(AuditFlags.Success, actualAddedRule.AuditFlags);
             Assert.Equal(FileSystemRights.AppendData, actualAddedRule.FileSystemRights);
         }
@@ -309,7 +309,7 @@ public void SetAuditRule_Succeeds()
 
             Assert.Equal(2, auditRules.Count);
             var firstAuditRule = (FileSystemAuditRule)auditRules[0];
-            Assert.Equal(new NTAccount(@"NT AUTHORITY\SYSTEM"), firstAuditRule.IdentityReference);
+            Assert.Equal(new SecurityIdentifier(WellKnownSidType.LocalSystemSid, null).Translate(typeof(NTAccount)), firstAuditRule.IdentityReference);
             Assert.Equal(AuditFlags.Success, firstAuditRule.AuditFlags);
             Assert.Equal(FileSystemRights.Delete, firstAuditRule.FileSystemRights);
             var secondAuditRule = (FileSystemAuditRule)auditRules[1];
@@ -337,7 +337,7 @@ public void RemoveAuditRule_Succeeds()
             var existingRule = (FileSystemAuditRule)rules[0];
             Assert.Equal(FileSystemRights.Read, existingRule.FileSystemRights);
             Assert.Equal(AuditFlags.Failure, existingRule.AuditFlags);
-            Assert.Equal(new NTAccount(@"NT AUTHORITY\SYSTEM"), existingRule.IdentityReference);
+            Assert.Equal(new SecurityIdentifier(WellKnownSidType.LocalSystemSid, null).Translate(typeof(NTAccount)), existingRule.IdentityReference);
         }
 
         [Fact]