Failing test: Aspire.Hosting.Azure.Tests.AzureAppServiceTests.PublishAsAzureAppServiceWebsite_ThrowsIfNoEnvironment

## Build Information
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1124862
Build error leg or test failing:
Pull request:

## Error Message
Fill the error message using [step by step known issues guidance](https://github.com/dotnet/arcade/blob/main/Documentation/Projects/Build%20Analysis/KnownIssueJsonStepByStep.md).

```json
{
"ErrorMessage": "",
"ErrorPattern": "Project file .*csproj.*not found",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
```
```
Aspire.Hosting.DistributedApplicationException : Project file 'D:\a\_work\1\s\tests\testproject\TestProject.ServiceA\TestProject.ServiceA.csproj' was not found. at Aspire.Hosting.LaunchProfileExtensions.GetLaunchSettings(IProjectMetadata projectMetadata, String resourceName) in /_/src/Shared/LaunchProfiles/LaunchProfileExtensions.cs:line 77
at Aspire.Hosting.LaunchProfileExtensions.GetLaunchSettings(ProjectResource projectResource) in /_/src/Shared/LaunchProfiles/LaunchProfileExtensions.cs:line 28
at Aspire.Hosting.LaunchProfileExtensions.TrySelectLaunchProfileByOrder(ProjectResource projectResource, String& launchProfileName) in /_/src/Shared/LaunchProfiles/LaunchProfileExtensions.cs:line 117
at Aspire.Hosting.LaunchProfileExtensions.SelectLaunchProfileName(ProjectResource projectResource) in /_/src/Shared/LaunchProfiles/LaunchProfileExtensions.cs:line 179
at Aspire.Hosting.LaunchProfileExtensions.GetEffectiveLaunchProfile(ProjectResource projectResource, Boolean throwIfNotFound) in /_/src/Shared/LaunchProfiles/LaunchProfileExtensions.cs:line 33
at Aspire.Hosting.ProjectResourceBuilderExtensions.WithProjectDefaults(IResourceBuilder`1 builder, ProjectResourceOptions options) in /_/src/Aspire.Hosting/ProjectResourceBuilderExtensions.cs:line 341
at Aspire.Hosting.ProjectResourceBuilderExtensions.AddProject[TProject](IDistributedApplicationBuilder builder, String name, Action`1 configure) in /_/src/Aspire.Hosting/ProjectResourceBuilderExtensions.cs:line 230
at Aspire.Hosting.ProjectResourceBuilderExtensions.AddProject[TProject](IDistributedApplicationBuilder builder, String name) in /_/src/Aspire.Hosting/ProjectResourceBuilderExtensions.cs:line 63
at Aspire.Hosting.Azure.Tests.AzureAppServiceTests.<>c.b__10_1(IDistributedApplicationBuilder builder) in D:\a\_work\1\s\tests\Aspire.Hosting.Azure.Tests\AzureAppServiceTests.cs:line 314
at Aspire.Hosting.Azure.Tests.AzureAppServiceTests.g__RunTest|10_0(Action`1 action) in D:\a\_work\1\s\tests\Aspire.Hosting.Azure.Tests\AzureAppServiceTests.cs:line 304
at Aspire.Hosting.Azure.Tests.AzureAppServiceTests.PublishAsAzureAppServiceWebsite_ThrowsIfNoEnvironment() in D:\a\_work\1\s\tests\Aspire.Hosting.Azure.Tests\AzureAppServiceTests.cs:line 313
--- End of stack trace from previous location ---
```

📊 **[View CI Failure Report](https://github.com/microsoft/aspire/issues/11020#issuecomment-4174837469)**