[embedded] Adjust test to use -disable-objc-interop where we call swiftc driver in embedded mode

Author: kubamracek

test/embedded/wmo-with-embedded-diag.swift

@@ -1,7 +1,7 @@
 // RUN: %target-swift-frontend -typecheck -parse-stdlib %s -enable-experimental-feature Embedded
 // RUN: not %target-swift-frontend -typecheck -parse-stdlib %s -primary-file %s -enable-experimental-feature Embedded 2>&1 | %FileCheck %s
 
-// RUN: %target-swiftc_driver -typecheck -parse-stdlib %s -enable-experimental-feature Embedded -wmo
-// RUN: not %target-swiftc_driver -typecheck -parse-stdlib %s -enable-experimental-feature Embedded 2>&1 | %FileCheck %s
+// RUN: %target-swiftc_driver -typecheck -parse-stdlib %s -Xfrontend -disable-objc-interop -enable-experimental-feature Embedded -wmo
+// RUN: not %target-swiftc_driver -typecheck -parse-stdlib %s -Xfrontend -disable-objc-interop -enable-experimental-feature Embedded 2>&1 | %FileCheck %s
 
 // CHECK: error: Whole module optimization (wmo) must be enabled with embedded Swift.