fix(ci): pass SDK_BRANCH to FSC (#432)

* pass SDK_BRANCH to FSC

Author: msohailhussain

.travis.yml

@@ -21,8 +21,9 @@ jobs:
       os: linux
       env:
         - SDK=objective-c
-        - BUILD_NUMBER=$TRAVIS_BUILD_NUMBER
+        - BUILD_NUMBER=${TRAVIS_JOB_NUMBER/.}
         - TESTAPP_TAG=master
+        - SDK_BRANCH=$TRAVIS_PULL_REQUEST_BRANCH
       cache: false
       before_install: skip
       install: skip
@@ -33,7 +34,7 @@ jobs:
       after_success: travis_terminate 0
     - <<: *integrationtest
       stage: 'Benchmarking tests'
-      env: SDK=objective-c FULLSTACK_TEST_REPO=Benchmarking
+      env: SDK=objective-c FULLSTACK_TEST_REPO=Benchmarking BUILD_NUMBER=${TRAVIS_JOB_NUMBER/.} SDK_BRANCH=$TRAVIS_PULL_REQUEST_BRANCH
 
     - stage: 'Lint markdown files'
       language: ruby