fixed invalid TS call and added test files (#6495)

e581013e3d broke TS generation - please don't use "replace" to refactor function names :)

tests/my-game/example/vec3.ts

@@ -0,0 +1,133 @@
+// automatically generated by the FlatBuffers compiler, do not modify
+
+import * as flatbuffers from 'flatbuffers';
+
+import { Color } from '../../my-game/example/color';
+import { Test, TestT } from '../../my-game/example/test';
+
+
+export class Vec3 {
+  bb: flatbuffers.ByteBuffer|null = null;
+  bb_pos = 0;
+__init(i:number, bb:flatbuffers.ByteBuffer):Vec3 {
+  this.bb_pos = i;
+  this.bb = bb;
+  return this;
+}
+
+x():number {
+  return this.bb!.readFloat32(this.bb_pos);
+}
+
+mutate_x(value:number):boolean {
+  this.bb!.writeFloat32(this.bb_pos + 0, value);
+  return true;
+}
+
+y():number {
+  return this.bb!.readFloat32(this.bb_pos + 4);
+}
+
+mutate_y(value:number):boolean {
+  this.bb!.writeFloat32(this.bb_pos + 4, value);
+  return true;
+}
+
+z():number {
+  return this.bb!.readFloat32(this.bb_pos + 8);
+}
+
+mutate_z(value:number):boolean {
+  this.bb!.writeFloat32(this.bb_pos + 8, value);
+  return true;
+}
+
+test1():number {
+  return this.bb!.readFloat64(this.bb_pos + 16);
+}
+
+mutate_test1(value:number):boolean {
+  this.bb!.writeFloat64(this.bb_pos + 16, value);
+  return true;
+}
+
+test2():Color {
+  return this.bb!.readUint8(this.bb_pos + 24);
+}
+
+mutate_test2(value:Color):boolean {
+  this.bb!.writeUint8(this.bb_pos + 24, value);
+  return true;
+}
+
+test3(obj?:Test):Test|null {
+  return (obj || new Test()).__init(this.bb_pos + 26, this.bb!);
+}
+
+static sizeOf():number {
+  return 32;
+}
+
+static createVec3(builder:flatbuffers.Builder, x: number, y: number, z: number, test1: number, test2: Color, test3_a: number, test3_b: number):flatbuffers.Offset {
+  builder.prep(8, 32);
+  builder.pad(2);
+  builder.prep(2, 4);
+  builder.pad(1);
+  builder.writeInt8(test3_b);
+  builder.writeInt16(test3_a);
+  builder.pad(1);
+  builder.writeInt8(test2);
+  builder.writeFloat64(test1);
+  builder.pad(4);
+  builder.writeFloat32(z);
+  builder.writeFloat32(y);
+  builder.writeFloat32(x);
+  return builder.offset();
+}
+
+
+unpack(): Vec3T {
+  return new Vec3T(
+    this.x(),
+    this.y(),
+    this.z(),
+    this.test1(),
+    this.test2(),
+    (this.test3() !== null ? this.test3()!.unpack() : null)
+  );
+}
+
+
+unpackTo(_o: Vec3T): void {
+  _o.x = this.x();
+  _o.y = this.y();
+  _o.z = this.z();
+  _o.test1 = this.test1();
+  _o.test2 = this.test2();
+  _o.test3 = (this.test3() !== null ? this.test3()!.unpack() : null);
+}
+}
+
+export class Vec3T {
+constructor(
+  public x: number = 0.0,
+  public y: number = 0.0,
+  public z: number = 0.0,
+  public test1: number = 0.0,
+  public test2: Color = 0,
+  public test3: TestT|null = null
+){}
+
+
+pack(builder:flatbuffers.Builder): flatbuffers.Offset {
+  return Vec3.createVec3(builder,
+    this.x,
+    this.y,
+    this.z,
+    this.test1,
+    this.test2,
+    (this.test3 === null ? 0 : this.test3.a!),
+    (this.test3 === null ? 0 : this.test3.b!)
+  );
+}
+}