public void setUseCaches(final boolean useCaches) {
        connection.setUseCaches(useCaches);
        this.useCaches = useCaches;
    }

    @Override
    public boolean getUseCaches() {
        return connection.getUseCaches();
    }

    @Override
    public void setIfModifiedSince(final long ifModifiedSince) {
        connection.setIfModifiedSince(ifModifiedSince);

    public void setUseCaches(final boolean useCaches) {
        this.connection.setUseCaches(useCaches);
        this.useCaches = useCaches;
    }

    @Override
    public boolean getUseCaches() {
        return this.connection.getUseCaches();
    }

    @Override
    public void setIfModifiedSince(final long ifModifiedSince) {
        this.connection.setIfModifiedSince(ifModifiedSince);

        when(mockConnection.getDoInput()).thenReturn(true);
        when(mockConnection.getDoOutput()).thenReturn(true);
        when(mockConnection.getIfModifiedSince()).thenReturn(12345L);
        when(mockConnection.getUseCaches()).thenReturn(false);
        when(mockConnection.getReadTimeout()).thenReturn(1000);
        when(mockConnection.getConnectTimeout()).thenReturn(2000);