fixed unit tests for cassandra backend

Author: ayansen

backends/cassandra/pom.xml

@@ -93,6 +93,9 @@
                             <goal>test</goal>
                         </goals>
                         <configuration>
+                            <environmentVariables>
+                                <HAYSTACK_PROP_CASSANDRA_ENDPOINTS>cass1,cass2</HAYSTACK_PROP_CASSANDRA_ENDPOINTS>
+                            </environmentVariables>
                             <wildcardSuites>com.expedia.www.haystack.trace.storage.backends.cassandra.unit</wildcardSuites>
                         </configuration>
                     </execution>

backends/cassandra/src/test/resources/config/base.conf

@@ -26,14 +26,25 @@ cassandra {
   }
 
   connections {
-    max.per.host = 10
+    max.per.host = 100
     read.timeout.ms = 5000
     conn.timeout.ms = 10000
     keep.alive = true
   }
+  ttl.sec = 86400
+
+  retries {
+    max = 10
+    backoff {
+      initial.ms = 250
+      factor = 2
+    }
+  }
 
   keyspace {
     name = "haystack"
     table.name = "traces"
+    auto.create.schema = "cassandra_cql_schema_1",
+
   }
 }