Added a sample unit test to share same table between 2 dbcontextes.

test/Volo.Abp.EntityFrameworkCore.Tests.SecondContext/Class1.cs

@@ -1,8 +0,0 @@
-using System;
-
-namespace Volo.Abp.EntityFrameworkCore.Tests.SecondContext
-{
-    public class Class1
-    {
-    }
-}

test/Volo.Abp.EntityFrameworkCore.Tests.SecondContext/Migrations/20170927100405_Added_PhoneInSecondDbContext.Designer.cs

@@ -0,0 +1,49 @@
+// <auto-generated />
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage;
+using Microsoft.EntityFrameworkCore.Storage.Internal;
+using System;
+using Volo.Abp.EntityFrameworkCore.TestApp.SecondContext;
+
+namespace Volo.Abp.EntityFrameworkCore.Tests.SecondContext.Migrations
+{
+    [DbContext(typeof(SecondDbContext))]
+    [Migration("20170927100405_Added_PhoneInSecondDbContext")]
+    partial class Added_PhoneInSecondDbContext
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "2.0.0-rtm-26452");
+
+            modelBuilder.Entity("Volo.Abp.EntityFrameworkCore.TestApp.SecondContext.BookInSecondDbContext", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<string>("Name");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Books");
+                });
+
+            modelBuilder.Entity("Volo.Abp.EntityFrameworkCore.TestApp.SecondContext.PhoneInSecondDbContext", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<string>("Number");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("AppPhones");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

test/Volo.Abp.EntityFrameworkCore.Tests.SecondContext/Migrations/20170927100405_Added_PhoneInSecondDbContext.cs

@@ -0,0 +1,20 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+using System;
+using System.Collections.Generic;
+
+namespace Volo.Abp.EntityFrameworkCore.Tests.SecondContext.Migrations
+{
+    public partial class Added_PhoneInSecondDbContext : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            /* SecondDbContext depends on TestAppDbContext,
+               so no need to add migration for phones since TestAppDbContext already contains it */
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+
+        }
+    }
+}

test/Volo.Abp.EntityFrameworkCore.Tests.SecondContext/Migrations/SecondDbContextModelSnapshot.cs

@@ -30,6 +30,18 @@ namespace Volo.Abp.EntityFrameworkCore.Tests.SecondContext.Migrations
 
                     b.ToTable("Books");
                 });
+
+            modelBuilder.Entity("Volo.Abp.EntityFrameworkCore.TestApp.SecondContext.PhoneInSecondDbContext", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<string>("Number");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("AppPhones");
+                });
 #pragma warning restore 612, 618
         }
     }

test/Volo.Abp.EntityFrameworkCore.Tests.SecondContext/Volo/Abp/EntityFrameworkCore/TestApp/SecondContext/PhoneInSecondDbContext.cs

@@ -0,0 +1,11 @@
+using System.ComponentModel.DataAnnotations.Schema;
+using Volo.Abp.Domain.Entities;
+
+namespace Volo.Abp.EntityFrameworkCore.TestApp.SecondContext
+{
+    [Table("AppPhones")]
+    public class PhoneInSecondDbContext : AggregateRoot<long>
+    {
+        public virtual string Number { get; set; }
+    }
+}

test/Volo.Abp.EntityFrameworkCore.Tests.SecondContext/Volo/Abp/EntityFrameworkCore/TestApp/SecondContext/SecondDbContext.cs

@@ -6,6 +6,8 @@ namespace Volo.Abp.EntityFrameworkCore.TestApp.SecondContext
     {
         public DbSet<BookInSecondDbContext> Books { get; set; }
 
+        public DbSet<PhoneInSecondDbContext> Phones { get; set; }
+
         public SecondDbContext(DbContextOptions<SecondDbContext> options) 
             : base(options)
         {

test/Volo.Abp.EntityFrameworkCore.Tests/Volo/Abp/EntityFrameworkCore/Repositories/Basic_Repository_Tests.cs

@@ -14,11 +14,13 @@ namespace Volo.Abp.EntityFrameworkCore.Repositories
     {
         private readonly IRepository<Person> _personRepository;
         private readonly IRepository<BookInSecondDbContext> _bookRepository;
+        private readonly IRepository<PhoneInSecondDbContext, long> _phoneInSecondDbContextRepository;
 
         public Basic_Repository_Tests()
         {
             _personRepository = ServiceProvider.GetRequiredService<IRepository<Person>>();
             _bookRepository = ServiceProvider.GetRequiredService<IRepository<BookInSecondDbContext>>();
+            _phoneInSecondDbContextRepository = ServiceProvider.GetRequiredService<IRepository<PhoneInSecondDbContext, long>>();
         }
 
         [Fact]
@@ -32,6 +34,12 @@ namespace Volo.Abp.EntityFrameworkCore.Repositories
         {
             _bookRepository.GetList().Any().ShouldBeTrue();
         }
+        
+        [Fact]
+        public void GetPhoneInSecondDbContextList()
+        {
+            _phoneInSecondDbContextRepository.GetList().Any().ShouldBeTrue();
+        }
 
         [Fact]
         public async Task InsertAsync()