Update swiftArgs() function convert build configuration as a string

Author: bkhouri

Sources/_InternalTestSupport/misc.swift

@@ -399,13 +399,7 @@ private func swiftArgs(
     Xswiftc: [String],
     buildSystem: BuildSystemProvider.Kind?
 ) -> [String] {
-    var args = ["--configuration"]
-    switch configuration {
-    case .debug:
-        args.append("debug")
-    case .release:
-        args.append("release")
-    }
+    var args = ["--configuration", "\(configuration)"]
 
     args += Xcc.flatMap { ["-Xcc", $0] }
     args += Xld.flatMap { ["-Xlinker", $0] }

Tests/FunctionalTests/ResourcesTests.swift

@@ -70,7 +70,7 @@ class ResourcesSwiftBuildDebugConfigTests: ResourcesTestCase {
         #if os(macOS)
         try XCTSkipSwiftBuildTodo(because: "Fails to build: cannot find 'PackageResources' in scope")
         #else
-        try await super.testResourcesEmbeddedInCode()()
+        try await super.testResourcesEmbeddedInCode()
         #endif
     }
 }