Fix logic to not rely on build number to determine whether to output formatdata (#8063)

src/Microsoft.PowerShell.Commands.Utility/commands/utility/FormatAndOutput/common/GetFormatDataCommand.cs

@@ -97,7 +97,7 @@ namespace Microsoft.PowerShell.Commands
         {
             bool writeOldWay = PowerShellVersion == null ||
                                PowerShellVersion.Major < 5 ||
-                               PowerShellVersion.Build < 11086;
+                               (PowerShellVersion.Major == 5 && PowerShellVersion.Minor < 1);
 
             TypeInfoDataBase db = this.Context.FormatDBManager.Database;
 

test/powershell/Modules/Microsoft.PowerShell.Utility/Get-FormatData.Tests.ps1

@@ -9,4 +9,16 @@ Describe "Get-FormatData" -Tags "CI" {
             ,$result | Should -BeOfType "System.Object[]"
         }
     }
+
+    It "Can get format data requiring '-PowerShellVersion 5.1'" {
+        $format = Get-FormatData System.IO.FileInfo -PowerShellVersion 5.1
+        $format.TypeNames | Should -HaveCount 2
+        $format.TypeNames[0] | Should -BeExactly "System.IO.DirectoryInfo"
+        $format.TypeNames[1] | Should -BeExactly "System.IO.FileInfo"
+        $format.FormatViewDefinition | Should -HaveCount 3
+    }
+
+    It "Should return nothing for format data requiring '-PowerShellVersion 5.1' and not provided" {
+        Get-FormatData System.IO.FileInfo | Should -BeNullOrEmpty
+    }
 }