Welcome to healthcare Magic!
The symptoms you are having are suggestive of pregnant state but can be very well as a result of premenstrual syndrome
Not getting the test for pregnancy!
It would give you more happiness if the result is really positive but if you remain in uncertainty you would not be cheerful even if you are really pregnant.
So get a serum beta hCG
levels, I hope the results turn out according to your expectation.
I hope the advise would be informative and useful for you.