test( 'should return the plan slug for the given plan if the site can be upgraded', () => {
expect( getUpgradePlanSlugFromPath( makeState( siteId, PLAN_FREE ), siteId, 'personal' ) ).toBe(
PLAN_PERSONAL
);
} );
test( 'should return null the site cannot be upgraded to the given plan', () => {
expect(
getUpgradePlanSlugFromPath( makeState( siteId, PLAN_PREMIUM ), siteId, 'personal' )
).toBeUndefined();
} );