修改演示数据插入脚本

tests/Jiaowu.Api.Tests/DemoDataSeederTests.cs

@@ -31,7 +31,15 @@ public sealed class DemoDataSeederTests
         Assert.Equal(128, await db.Teachers.CountAsync());
         Assert.Equal(3640, await db.Students.CountAsync());
         Assert.Equal(148, await db.Courses.CountAsync());
-        Assert.Equal(736, await db.TeacherCourseApplications.CountAsync());
+        Assert.Equal(624, await db.TeacherCourseApplications.CountAsync());
+        var crossCollegeApplications = await (
+            from application in db.TeacherCourseApplications
+            join teacher in db.Teachers on application.TeacherId equals teacher.Id
+            join course in db.Courses on application.CourseId equals course.Id
+            where teacher.CollegeId != course.CollegeId
+            select application.Id)
+            .CountAsync();
+        Assert.Equal(0, crossCollegeApplications);
         Assert.Equal(1, await db.AcademicTerms.CountAsync(x => x.IsCurrent));
         Assert.Equal(30, await db.Classrooms.CountAsync());
     }