A little bit here

I'll have I'm having a test at 4th July. >> arrangement
But I'll have I'm going to have several days vacation hiahiahia~ >>  intention

a bit nervous

I'll have a test on 4th July. The test is so important. I'm nervous about if I will fail.:(
God bless me!!
But I'll have several days of vacation hiahiahia~
I want to swim!! I want to sleep and wake up when I want to!~

If I make any mistakes, please correct them. :)

Note:

"On" is used for a date. example: On Monday, January 2nd.

"At" is used for a time. example: I went to sleep at 10:30PM.