Fix dynamic link tests on mobile (#795)

Author: a-maurice

dynamic_links/testapp/Assets/Firebase/Sample/DynamicLinks/UIHandler.cs

@@ -122,7 +122,7 @@ DynamicLinkComponents CreateDynamicLinkComponents() {
 #endif
 
       return new DynamicLinkComponents(
-        // The base Link.
+        // The base Link. This should be in your allowlist in the Firebase console.
         new System.Uri("https://google.com/abc"),
         // The dynamic link domain.
         kDomainUriPrefix) {
@@ -134,11 +134,11 @@ DynamicLinkComponents CreateDynamicLinkComponents() {
           Content = "mycontent"
         },
         IOSParameters = new Firebase.DynamicLinks.IOSParameters(appIdentifier) {
-          FallbackUrl = new System.Uri("https://mysite/fallback"),
+          FallbackUrl = new System.Uri("https://google.com/fallback"),
           CustomScheme = "mycustomscheme",
           MinimumVersion = "1.2.3",
           IPadBundleId = appIdentifier,
-          IPadFallbackUrl = new System.Uri("https://mysite/fallbackipad")
+          IPadFallbackUrl = new System.Uri("https://google.com/fallbackipad")
         },
         ITunesConnectAnalyticsParameters =
           new Firebase.DynamicLinks.ITunesConnectAnalyticsParameters() {
@@ -147,13 +147,13 @@ DynamicLinkComponents CreateDynamicLinkComponents() {
             ProviderToken = "pq-rstuv"
           },
         AndroidParameters = new Firebase.DynamicLinks.AndroidParameters(appIdentifier) {
-          FallbackUrl = new System.Uri("https://mysite/fallback"),
+          FallbackUrl = new System.Uri("https://google.com/fallback"),
           MinimumVersion = 12
         },
         SocialMetaTagParameters = new Firebase.DynamicLinks.SocialMetaTagParameters() {
           Title = "My App!",
           Description = "My app is awesome!",
-          ImageUrl = new System.Uri("https://mysite.com/someimage.jpg")
+          ImageUrl = new System.Uri("https://google.com/someimage.jpg")
         },
       };
     }

dynamic_links/testapp/Assets/Firebase/Sample/DynamicLinks/UIHandlerAutomated.cs

@@ -33,7 +33,7 @@ public override void Start() {
       Func<Task>[] tests = {
         TestCreateLongLinkAsync,
 // TODO(b/264533368) Enable theses tests when the issue has been fixed.
-#if (false)  // (UNITY_ANDROID || UNITY_IOS)
+#if (UNITY_ANDROID || UNITY_IOS)
         // Link shortening does not work on desktop builds, so only test that for mobile.
         TestCreateShortLinkAsync,
         TestCreateUnguessableShortLinkAsync,
@@ -71,12 +71,12 @@ Task TestCreateLongLinkAsync() {
 
       // This is taken from the values given in UIHandler.
       var expected =
-        urlHost + "/?afl=https://mysite/fallback&" +
+        urlHost + "/?afl=https://google.com/fallback&" +
         "amv=12&apn=" + identifier + "&at=abcdefg&ct=hijklmno&" +
-        "ibi=" + identifier + "&ifl=https://mysite/fallback&imv=1.2.3&" +
+        "ibi=" + identifier + "&ifl=https://google.com/fallback&imv=1.2.3&" +
         "ipbi=" + identifier + "&" +
-        "ipfl=https://mysite/fallbackipad&ius=mycustomscheme&link=https://google.com/abc&" +
-        "pt=pq-rstuv&sd=My app is awesome!&si=https://mysite.com/someimage.jpg&st=My App!&" +
+        "ipfl=https://google.com/fallbackipad&ius=mycustomscheme&link=https://google.com/abc&" +
+        "pt=pq-rstuv&sd=My app is awesome!&si=https://google.com/someimage.jpg&st=My App!&" +
         "utm_campaign=mycampaign&utm_content=mycontent&utm_medium=mymedium&utm_source=mysource&" +
         "utm_term=myterm";
       // The order of URL parameters is different between desktop and mobile implementations, and