test: Correcting issue with execution profile test

* SpeculativeExecutionPolicy would fail when using beta protocol v5 on
  Cassandra v3.10.0+ during the function creation.

Author: Michael Fero

gtests/src/integration/integration.cpp

@@ -53,6 +53,7 @@ Integration::Integration()
   , is_ccm_start_node_individually_(false)
   , is_session_requested_(true)
   , is_test_chaotic_(false)
+  , is_beta_protocol_(true)
   , protocol_version_(CASS_HIGHEST_SUPPORTED_PROTOCOL_VERSION)
   , create_keyspace_query_("")
   , start_time_(0ull) {
@@ -343,7 +344,7 @@ test::driver::Cluster Integration::default_cluster(bool is_with_default_contact_
   }
   if (server_version_ >= "3.10" &&
       protocol_version_ == CASS_HIGHEST_SUPPORTED_PROTOCOL_VERSION) {
-    cluster.with_beta_protocol(true);
+    cluster.with_beta_protocol(is_beta_protocol_);
   } else {
     cluster.with_protocol_version(protocol_version_);
   }

gtests/src/integration/integration.hpp

@@ -276,6 +276,13 @@ class Integration : public testing::Test {
    * destroyed
    */
   bool is_test_chaotic_;
+  /**
+   * Flag to indicate if the beta protocol should be enabled. True if beta
+   * protocol should be enabled (Cassandra must be >= v3.10.0); false
+   * otherwise.
+   * (DEFAULT: true)
+   */
+  bool is_beta_protocol_;
   /**
    * Workload to apply to the cluster
    */

gtests/src/integration/tests/test_exec_profile.cpp

@@ -30,6 +30,7 @@ class ExecutionProfileTest : public Integration {
     , skip_base_execution_profile_(false) {
     replication_factor_ = 2;
     number_dc1_nodes_ = 2;
+    is_beta_protocol_ = false; // Issue with beta protocol v5 and functions on Cassandra v3.10.0+
   }
 
   void SetUp() {