Increase timeout. Travis ci is taking more than 5 seconds sometimes.

Author: tapashmajumder

Tests/swift-sdk-swift-tests/IterableActionRunnerTests.swift

@@ -10,7 +10,7 @@ import OHHTTPStubs
 
 @testable import IterableSDK
 
-let testExpectationTimeout = 5.0
+let testExpectationTimeout = 15.0
 
 class IterableActionRunnerTests: XCTestCase {
     override func setUp() {