Report Windows installer PATH status accurately

tests/release_scripts.rs

@@ -377,6 +377,7 @@ fn windows_installer_adds_user_path_idempotently() {
     let ps1 = include_str!("../install.ps1");
     assert!(ps1.contains("function Add-UserPath($PathToAdd)"));
     assert!(ps1.contains("function PathList-Contains($PathValue, $PathToFind)"));
+    assert!(ps1.contains("function Write-PathStatus($PathToCheck)"));
     assert!(ps1.contains("$bindir = Normalize-PathForCompare (Join-Path $Prefix \"bin\")"));
     assert!(ps1.contains("if ($env:DOSH_INSTALL_BINDIR_FILE)"));
     assert!(ps1.contains("Write-Utf8NoBom $env:DOSH_INSTALL_BINDIR_FILE $bindir"));
@@ -397,6 +398,13 @@ fn windows_installer_adds_user_path_idempotently() {
         "Windows installer must not write a leading semicolon when user PATH is empty"
     );
     assert!(ps1.contains("Add-UserPath $bindir"));
+    assert!(ps1.contains("Write-PathStatus $bindir"));
+    assert!(ps1.contains("Current terminal PATH includes Dosh."));
+    assert!(ps1.contains("Open a new terminal if dosh is not found on PATH."));
+    assert!(
+        !ps1.contains("Open a new terminal for PATH changes to apply."),
+        "Windows installer should not always claim a new terminal is required"
+    );
 }
 
 #[test]