Fix test expectations for package@version format in TemplateDiscoveryTests

Co-authored-by: marcpopMSFT <[email protected]>

Author: Copilot

test/Microsoft.TemplateSearch.TemplateDiscovery.IntegrationTests/TemplateDiscoveryTests.cs

@@ -190,7 +190,7 @@ public async Task CanDetectNewPackagesInDiffMode()
                 .And.HaveStdOutContaining(
 @"Template packages:
    new: 1
-      Test.Templates::1.0.0
+      Test.Templates@1.0.0
    updated: 0
    removed: 0
    not changed: 0")
@@ -231,7 +231,7 @@ public async Task CanDetectNewPackagesInDiffMode()
                 .And.HaveStdOutContaining(
 @"Template packages:
    new: 1
-      Microsoft.Azure.WebJobs.ProjectTemplates::1.0.0
+      Microsoft.Azure.WebJobs.ProjectTemplates@1.0.0
    updated: 0
    removed: 0
    not changed: 1")
@@ -278,7 +278,7 @@ public void CanDetectUpdatedPackagesInDiffMode()
                 .And.HaveStdOutContaining(
 @"Template packages:
    new: 1
-      Test.Templates::1.0.0
+      Test.Templates@1.0.0
    updated: 0
    removed: 0
    not changed: 0")
@@ -365,7 +365,7 @@ public void CanDetectRemovedPackagesInDiffMode()
                 .And.HaveStdOutContaining(
 @"Template packages:
    new: 1
-      Test.Templates::1.0.0
+      Test.Templates@1.0.0
    updated: 0
    removed: 0
    not changed: 0")
@@ -406,7 +406,7 @@ public void CanDetectRemovedPackagesInDiffMode()
    new: 0
    updated: 0
    removed: 1
-      Test.Templates::1.0.0
+      Test.Templates@1.0.0
    not changed: 0")
                 .And.HaveStdOutContaining(
 @"Non template packages:
@@ -416,7 +416,7 @@ public void CanDetectRemovedPackagesInDiffMode()
    not changed: 0")
                 .And.HaveStdOutContaining(
 @"[Error]: the following 1 packages were removed
-   Test.Templates::1.0.0
+   Test.Templates@1.0.0
 Checking template packages via API: 
 Package Test.Templates was unlisted.");