message: chore(test): fix bufferToggle types
diff: @@ -274,7 +274,7 @@ describe('bufferToggle operator', () => {
  const e2 = cold('--o-----|');
  const e3 = cold( '-----c--|');
  const expected = '|';
  - const values = { x: [] };
  + const values = { x: [] as string[] };
  const result = e1.pipe(bufferToggle(e2, () => e3));
  @@ -286,7 +286,7 @@ describe('bufferToggle operator', () => {
  const e2 = cold('--o-----|');
  const e3 = cold( '-----c--|');
  const expected = '#';
  - const values = { x: [] };
  + const values = { x: [] as string[] };
  const result = e1.pipe(bufferToggle(e2, () => e3));
  @@ -300,7 +300,7 @@ describe('bufferToggle operator', () => {
  const unsub = ' !';
  const subs = '^ !';
  const expected = '----x-----x------x-----x---x-----------------';
  - const values = { x: [] };
  + const values = { x: [] as string[] };
  const result = e1.pipe(bufferToggle(e2, () => e3));
  