Implemented Student.getTestResults

lib/Student.js

@@ -8,12 +8,26 @@ class Student extends User {
 		super(conn, id, 'student');
 	}
 
-	get classes() {
+	async getTestResults() {
+		const sql = `
+			select
+				testResultId
+			from
+				testResult
+			where
+				studentId = ?
+			order by
+				time desc;
+		`;
 
-	}
+		const records = await this._conn.runQuery(sql, [ this.id ]);
-
-	get parents() {
 
+		return Promise.all(records.map(r => {
+			return new (require('./TestResult'))(
+				this._conn,
+				r.testResultId
+			);
+		}));
 	}
 
 	static async createStudent(conn, fname, oname, lname, email, password) {