Import GIDConfiguration to test file.

GoogleSignIn/Sources/GIDVerifyAccountDetail/Implementations/GIDVerifyAccountDetail.m

@@ -16,7 +16,6 @@
 
 #import "GoogleSignIn/Sources/Public/GoogleSignIn/GIDVerifyAccountDetail.h"
 
-#import "GoogleSignIn/Sources/Public/GoogleSignIn/GIDConfiguration.h"
 #import "GoogleSignIn/Sources/Public/GoogleSignIn/GIDConfiguration.h"
 #import "GoogleSignIn/Sources/Public/GoogleSignIn/GIDVerifiableAccountDetail.h"
 #import "GoogleSignIn/Sources/Public/GoogleSignIn/GIDVerifiedAccountDetailResult.h"

GoogleSignIn/Tests/Unit/GIDVerifyAccountDetailTest.m

@@ -15,6 +15,7 @@
 #import <XCTest/XCTest.h>
 
 #if TARGET_OS_IOS
+#import "GoogleSignIn/Sources/Public/GoogleSignIn/GIDConfiguration.h"
 #import "GoogleSignIn/Sources/Public/GoogleSignIn/GIDVerifyAccountDetail.h"
 #import "GoogleSignIn/Sources/Public/GoogleSignIn/GIDVerifiableAccountDetail.h"