First test

__tests__/Remove-WorkSheet.tests.ps1

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+#Requires -Modules Pester
+Import-Module $PSScriptRoot\..\ImportExcel.psd1 -Force
+
+Describe "Remove Worksheet" {
+    Context "Remove a worksheet output" {
+        BeforeAll {
+            # Create three sheets
+            $data = ConvertFrom-Csv @"
+"@
+            $xlFile = "$env:TEMP\RemoveWorsheet.xlsx"
+            Remove-Item $xlFile -ErrorAction SilentlyContinue
+
+            $data | Export-Excel -Path $xlFile -WorksheetName Target1
+            $data | Export-Excel -Path $xlFile -WorksheetName Target2
+            $data | Export-Excel -Path $xlFile -WorksheetName Target3
+        }
+
+        it "Should delete Target2" {
+            Remove-WorkSheet -Path $xlFile -WorksheetName Target2
+
+            $actual = (Get-ExcelSheetInfo -Path $xlFile).count
+
+            $actual | Should Be 2
+        }
+    }
+}