feat: Add ResetCircuitBreaker helper

internal/yandex/client_test.go

@@ -307,6 +307,43 @@ func TestIsRetryableError(t *testing.T) {
 	}
 }
 
+func TestResetCircuitBreaker(t *testing.T) {
+	cb := newCircuitBreaker()
+
+	// Record failures to open the circuit
+	cb.recordFailure()
+	cb.recordFailure()
+	cb.recordFailure()
+
+	if cb.state != open {
+		t.Errorf("expected state open after 3 failures, got %v", cb.state)
+	}
+
+	// Reset the circuit breaker
+	cb.ResetCircuitBreaker()
+
+	// Should be back to closed state
+	if cb.state != closed {
+		t.Errorf("expected state closed after reset, got %v", cb.state)
+	}
+	if cb.failures != 0 {
+		t.Errorf("expected failures to be 0 after reset, got %d", cb.failures)
+	}
+	if cb.successes != 0 {
+		t.Errorf("expected successes to be 0 after reset, got %d", cb.successes)
+	}
+	if cb.openSince != (time.Time{}) {
+		t.Errorf("expected openSince to be zero after reset, got %v", cb.openSince)
+	}
+
+	// After reset, allow() should return true (circuit closed)
+	for i := 0; i < 10; i++ {
+		if !cb.allow() {
+			t.Fatalf("expected allow() to return true after reset, attempt %d", i)
+		}
+	}
+}
+
 // Test Response parsing
 func TestResponseParsing(t *testing.T) {
 	// Test with a valid JSON response