Added missing packages

src/Database.Tests/packages.config

@@ -31,6 +31,8 @@
   <package id="Microsoft.Extensions.Logging.Abstractions" version="2.0.1" targetFramework="net461" />
   <package id="Microsoft.Extensions.Options" version="2.0.1" targetFramework="net461" />
   <package id="Microsoft.Extensions.Primitives" version="2.0.0" targetFramework="net461" />
+  <package id="NUnit" version="3.12.0" targetFramework="net461" />
+  <package id="NUnit3TestAdapter" version="3.17.0" targetFramework="net461" />
   <package id="SQLitePCLRaw.lib.e_sqlite3" version="2.0.4" targetFramework="net461" />
   <package id="System.ComponentModel.Annotations" version="4.4.1" targetFramework="net461" />
   <package id="System.Data.SqlClient" version="4.8.2" targetFramework="net461" />

src/Database/App.config

 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
+  <configSections>
+        <!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
+        <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
+    </configSections>
   <runtime>
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
       <dependentAssembly>
@@ -24,4 +28,9 @@
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
+  <entityFramework>
+    <providers>
+      <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
+    </providers>
+  </entityFramework>
 </configuration>
\ No newline at end of file

src/Database/packages.config

@@ -2,5 +2,6 @@
 <packages>
   <package id="Consul" version="1.6.1.1" targetFramework="net461" />
   <package id="Coscine.Configuration" version="1.6.0" targetFramework="net461" />
+  <package id="EntityFramework" version="6.4.4" targetFramework="net461" />
   <package id="SQLitePCLRaw.lib.e_sqlite3" version="2.0.4" targetFramework="net461" />
 </packages>
\ No newline at end of file