Use development version of IID for FIAM testing (#2772)

* Use development version of IID for FIAM testing
* FIAM tests need Analytics
* Also FIAM Display

InAppMessaging/Example/Podfile

@@ -1,9 +1,11 @@
 use_frameworks!
 
 # Uncomment the next two lines for pre-release testing on public repo
-# source 'https://github.com/Firebase/SpecsStaging.git'
-# source 'https://github.com/CocoaPods/Specs.git'
+source 'https://github.com/Firebase/SpecsStaging.git'
+source 'https://github.com/CocoaPods/Specs.git'
 
+# Remove version from FirebaseAnalytics after 6.0 goes public.
+pod 'FirebaseAnalytics', '6.0.0-pre'
 pod 'FirebaseCore', :path => '../..'
 
 target 'InAppMessaging_Example_iOS' do
@@ -13,13 +15,14 @@ target 'InAppMessaging_Example_iOS' do
   pod 'FirebaseInAppMessaging', :path => '../..'
   pod 'FirebaseAnalyticsInterop',  :path => '../..'
   pod 'FirebaseDynamicLinks',  :path => '../..'
+  pod 'FirebaseInstanceID',  :path => '../..'
 end
 
 target 'InAppMessaging_Tests_iOS' do
   platform :ios, '8.0'
 
   pod 'FirebaseInAppMessaging', :path => '../..'
-  pod 'FirebaseInstanceID'
+  pod 'FirebaseInstanceID',  :path => '../..'
   pod 'FirebaseAnalyticsInterop',  :path => '../..'
   pod 'OCMock'
 end

InAppMessagingDisplay/Example/Podfile

@@ -1,6 +1,11 @@
+# Uncomment the next two lines for pre-release testing on public repo
+source 'https://github.com/Firebase/SpecsStaging.git'
+source 'https://github.com/CocoaPods/Specs.git'
 
 use_frameworks!
 
+pod 'FirebaseCore', :path => '../..'
+
 target 'FiamDisplaySwiftExample' do
   platform :ios, '8.0'
   pod 'FirebaseInAppMessagingDisplay', :path => '../..'