Renamed testBase.WorkflowMgr to ExecutionManager (cadence-workflow#1140)

* Separated executionManager_test into executionManager_test and matchingPersistence_test

common/persistence/cassandra/cassandraPersistenceTest.go

@@ -101,7 +101,7 @@ func InitTestSuiteWithMetadata(tb *persistencetests.TestBase, options *persisten
 		log.Fatal(err)
 	}
 	// Create an ExecutionManager for the shard for use in unit tests
-	tb.WorkflowMgr, err = tb.ExecutionMgrFactory.CreateExecutionManager(shardID)
+	tb.ExecutionManager, err = tb.ExecutionMgrFactory.CreateExecutionManager(shardID)
 	if err != nil {
 		log.Fatal(err)
 	}

common/persistence/cassandra/executionManager_test.go

@@ -0,0 +1,34 @@
+// Copyright (c) 2017 Uber Technologies, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+package cassandra
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/suite"
+	"github.com/uber/cadence/common/persistence/persistence-tests"
+)
+
+func TestExecutionManagerSuite(t *testing.T) {
+	s := new(persistencetests.ExecutionManagerSuite)
+	InitTestSuite(&s.TestBase)
+	suite.Run(t, s)
+}