diff --git a/src/PSRepositoryReleaseManager/PSRepositoryReleaseManager.Tests.ps1 b/src/PSRepositoryReleaseManager/PSRepositoryReleaseManager.Tests.ps1
index 63f516e..6b4819d 100644
--- a/src/PSRepositoryReleaseManager/PSRepositoryReleaseManager.Tests.ps1
+++ b/src/PSRepositoryReleaseManager/PSRepositoryReleaseManager.Tests.ps1
@@ -9,7 +9,40 @@ Describe "PSRepositoryReleaseManager" -Tag 'Integration' {
     }
     AfterEach {
     }
-    It "Runs Invoke-Generate.ps1 -ReleaseTagRef -ReleaseNotesVariant -ReleaseNotesPath" {
+    It "Runs Invoke-Generate.ps1 -ReleaseTagRef" {
+        $stdout = ../src/scripts/ci/Invoke-Generate.ps1 -ReleaseTagRef $env:RELEASE_TAG_REF
+        "Generate notes content:" | Write-Verbose
+        Get-Content -Path "$stdout" | Out-String -Stream | % { $_.Trim() } | ? { $_ } | Write-Host
+    }
+    It "Runs Invoke-Generate.ps1 -ProjectDirectory -ReleaseTagRef" {
+        $private:ProjectDir = "$(git rev-parse --show-toplevel)"
+
+        $stdout = ../src/scripts/ci/Invoke-Generate.ps1 -ProjectDirectory $private:ProjectDir -ReleaseTagRef $env:RELEASE_TAG_REF
+        "Generate notes content:" | Write-Verbose
+        Get-Content -Path "$stdout" | Out-String -Stream | % { $_.Trim() } | ? { $_ } | Write-Host
+    }
+    It "Runs Invoke-Generate.ps1 -ReleaseTagRef -ReleaseNotesVariant" {
+        $env:RELEASE_NOTES_VARIANT = 'Changes-HashSubject-NoMerges'
+
+        $stdout = ../src/scripts/ci/Invoke-Generate.ps1 -ReleaseTagRef $env:RELEASE_TAG_REF -ReleaseNotesVariant $env:RELEASE_NOTES_VARIANT
+        "Generate notes content:" | Write-Verbose
+        Get-Content -Path "$stdout" | Out-String -Stream | % { $_.Trim() } | ? { $_ } | Write-Host
+    }
+    It "Runs Invoke-Generate.ps1 -ReleaseTagRef -ReleaseNotesPath (full)" {
+        $env:RELEASE_NOTES_PATH = "$(git rev-parse --show-toplevel)/.release-notes.fullpath.md"
+
+        $stdout = ../src/scripts/ci/Invoke-Generate.ps1 -ReleaseTagRef $env:RELEASE_TAG_REF -ReleaseNotesPath $env:RELEASE_NOTES_PATH
+        "Generate notes content:" | Write-Verbose
+        Get-Content -Path "$stdout" | Out-String -Stream | % { $_.Trim() } | ? { $_ } | Write-Host
+    }
+    It "Runs Invoke-Generate.ps1 -ReleaseTagRef -ReleaseNotesPath (relative)" {
+        $env:RELEASE_NOTES_PATH = ".release-notes.relativepath.md"
+
+        $stdout = ../src/scripts/ci/Invoke-Generate.ps1 -ReleaseTagRef $env:RELEASE_TAG_REF -ReleaseNotesPath $env:RELEASE_NOTES_PATH
+        "Generate notes content:" | Write-Verbose
+        Get-Content -Path "$stdout" | Out-String -Stream | % { $_.Trim() } | ? { $_ } | Write-Host
+    }
+    It "Runs Invoke-Generate.ps1 -ReleaseTagRef -ReleaseNotesVariant -ReleaseNotesPath (all variants)" {
         $ReleaseNotesVariant = Get-ChildItem "../src/PSRepositoryReleaseManager/generate/variants" | % { $_.BaseName }
         "Release notes variants:" | Write-Verbose
         $ReleaseNotesVariant | Write-Host