New test common project for database connections using the settings.json (#210)

* moved test driver tests and test common classes to separate projects

test/Microsoft.SqlTools.ServiceLayer.Test.Common/project.json

@@ -0,0 +1,46 @@
+{
+  "version": "1.0.0-*",
+  "buildOptions": {
+    "emitEntryPoint": false,
+    "embed": {
+      "includeFiles": [
+        "Scripts/CreateTestDatabaseObjects.sql",
+        "Scripts/CreateTestDatabase.sql",
+        "Scripts/TestDbTableQueries.sql"
+      ]
+    }
+  },
+
+  "dependencies": {
+    "Newtonsoft.Json": "9.0.1",
+    "System.Runtime.Serialization.Primitives": "4.1.1",
+    "System.Data.Common": "4.1.0",
+    "System.Data.SqlClient": "4.4.0-sqltools-24613-04",
+    "Microsoft.SqlServer.Smo": "140.1.12",
+    "System.Security.SecureString": "4.0.0",
+    "System.Collections.Specialized": "4.0.1",
+    "System.ComponentModel.TypeConverter": "4.1.0",
+    "xunit": "2.1.0",
+    "dotnet-test-xunit": "1.0.0-rc2-192208-24",
+    "Microsoft.SqlTools.ServiceLayer": {
+      "target": "project"
+    },
+    "Moq": "4.6.36-alpha",
+    "Microsoft.SqlTools.ServiceLayer.TestDriver": "1.0.0-*"
+  },
+  "testRunner": "xunit",
+  "frameworks": {
+    "netcoreapp1.0": {
+      "dependencies": {
+        "Microsoft.NETCore.App": {
+          "type": "platform",
+          "version": "1.0.0"
+        }
+      },
+      "imports": [
+        "dotnet5.4",
+        "portable-net451+win8"
+      ]
+    }
+  }
+}