Use configuration

Author: pranavkm

src/Components/Blazor/Build/test/BuildIntegrationTests/MSBuildProcessManager.cs

@@ -32,6 +32,7 @@ public static Task<MSBuildResult> DotnetMSBuild(
             };
 
             buildArgumentList.Add($"/t:{target}");
+            buildArgumentList.Add($"/p:Configuration={project.Configuration}");
             buildArgumentList.Add(args);
 
             var buildArguments = string.Join(" ", buildArgumentList);

src/Components/Blazor/Build/test/BuildIntegrationTests/ProjectDirectory.cs

@@ -142,7 +142,13 @@ protected ProjectDirectory(string solutionPath, string directoryPath, string pro
 
         public string TargetFramework { get; set; } = "netstandard2.1";
 
-        public string Configuration { get; set; } = "Debug";
+#if DEBUG
+        public string Configuration => "Debug";
+#elif RELEASE
+        public string Configuration => "Release";
+#else
+#error Configuration not supported
+#endif
 
         public string IntermediateOutputDirectory => Path.Combine("obj", Configuration, TargetFramework);