diff --git a/components/app/lib/call_platform/fake_client.rb b/components/app/lib/call_platform/fake_client.rb
index 7b6456e54..d29b159d8 100644
--- a/components/app/lib/call_platform/fake_client.rb
+++ b/components/app/lib/call_platform/fake_client.rb
@@ -1,6 +1,7 @@
 module CallPlatform
   class FakeClient < Client
-    def notify_call_event(_params); end
+    def notify_call_event(params); end
+    def notify_tts_event(params); end
 
     def create_call(params)
       validate_gateway_headers(params)
diff --git a/components/testing/tests/client_gateway/outbound_proxy_test.sh b/components/testing/tests/client_gateway/outbound_proxy_test.sh
index 018b7b5a8..85a71409b 100755
--- a/components/testing/tests/client_gateway/outbound_proxy_test.sh
+++ b/components/testing/tests/client_gateway/outbound_proxy_test.sh
@@ -31,7 +31,7 @@ curl -s -o /dev/null -XPOST -u "adhearsion:password" http://switch-app:8080/call
   "account_auth_token": "sample-auth-token",
   "direction": "outbound-api",
   "api_version": "2010-04-01",
-  "default_tts_voice" => "Basic.Kal",
+  "default_tts_voice": "Basic.Kal",
   "routing_parameters": {
     "destination": "85512334667",
     "dial_string_prefix": null,
diff --git a/components/testing/tests/client_gateway/outbound_uas_behind_nat_test.sh b/components/testing/tests/client_gateway/outbound_uas_behind_nat_test.sh
index 2eaa577a0..1bf33e789 100755
--- a/components/testing/tests/client_gateway/outbound_uas_behind_nat_test.sh
+++ b/components/testing/tests/client_gateway/outbound_uas_behind_nat_test.sh
@@ -30,7 +30,7 @@ curl -s -o /dev/null -XPOST -u "adhearsion:password" http://switch-app:8080/call
   "account_auth_token": "sample-auth-token",
   "direction": "outbound-api",
   "api_version": "2010-04-01",
-  "default_tts_voice" => "Basic.Kal",
+  "default_tts_voice": "Basic.Kal",
   "routing_parameters": {
     "destination": "85512334667",
     "dial_string_prefix": null,
diff --git a/components/testing/tests/public_gateway/alternative_outbound_test.sh b/components/testing/tests/public_gateway/alternative_outbound_test.sh
index 579a61326..8c0a2763a 100755
--- a/components/testing/tests/public_gateway/alternative_outbound_test.sh
+++ b/components/testing/tests/public_gateway/alternative_outbound_test.sh
@@ -22,7 +22,7 @@ curl -s -o /dev/null -XPOST -u "adhearsion:password" http://switch-app:8080/call
   "account_auth_token": "sample-auth-token",
   "direction": "outbound-api",
   "api_version": "2010-04-01",
-  "default_tts_voice" => "Basic.Kal",
+  "default_tts_voice": "Basic.Kal",
   "routing_parameters": {
     "destination": "85512334667",
     "dial_string_prefix": null,
diff --git a/components/testing/tests/public_gateway/outbound_test.sh b/components/testing/tests/public_gateway/outbound_test.sh
index 2f0a54770..7a81a338c 100755
--- a/components/testing/tests/public_gateway/outbound_test.sh
+++ b/components/testing/tests/public_gateway/outbound_test.sh
@@ -24,7 +24,7 @@ curl -s -o /dev/null -XPOST -u "adhearsion:password" http://switch-app:8080/call
   "account_auth_token": "sample-auth-token",
   "direction": "outbound-api",
   "api_version": "2010-04-01",
-  "default_tts_voice" => "Basic.Kal",
+  "default_tts_voice": "Basic.Kal",
   "routing_parameters": {
     "destination": "85512334667",
     "dial_string_prefix": null,