added test (issue #423)

gulpfile.ts

@@ -344,7 +344,7 @@ export class Gulpfile {
             .pipe(mocha({
                 bail: true,
                 grep: !!args.grep ? new RegExp(args.grep) : undefined,
-                timeout: 30000
+                timeout: 15000
             }));
     }
 

test/github-issues/423/entity/Group.ts

@@ -0,0 +1,16 @@
+import {Entity} from "../../../../src/decorator/entity/Entity";
+import {PrimaryColumn} from "../../../../src/decorator/columns/PrimaryColumn";
+import {Column} from "../../../../src/decorator/columns/Column";
+import {Index} from "../../../../src/decorator";
+
+@Index("Groups name", ["name"], { unique: true })
+@Entity("groups")
+export class Group {
+
+    @PrimaryColumn()
+    id: number;
+
+    @Column()
+    name: string;
+
+}

test/github-issues/423/issue-423.ts

@@ -0,0 +1,30 @@
+import "reflect-metadata";
+import {closeTestingConnections, createTestingConnections} from "../../utils/test-utils";
+import {Connection} from "../../../src/connection/Connection";
+
+describe("github issues > #423 Cannot use Group as Table name && cannot autoSchemeSync when use alias Entity", () => {
+
+    let connections: Connection[];
+    before(async () => connections = await createTestingConnections({
+        entities: [__dirname + "/entity/*{.js,.ts}"],
+        schemaCreate: false,
+        dropSchema: true
+    }));
+    after(() => closeTestingConnections(connections));
+
+    it("should successfully sync schema", () => Promise.all(connections.map(async connection => {
+        await connection.synchronize();
+
+        const queryRunner = connection.createQueryRunner();
+        const table = await queryRunner.getTable("groups");
+        await queryRunner.release();
+
+        table!.should.exist;
+        table!.indices.length.should.be.equal(1);
+        table!.indices[0].name!.should.be.equal("Groups name");
+        table!.indices[0].columnNames[0].should.be.equal("name");
+        table!.indices[0].isUnique!.should.be.true;
+
+    })));
+
+});