[R] paste - eliminate spaces?

[r user]

I am trying to combine the value of a variable and
text.

e.g.
I want “test1”, with no spaces.

I try:

h=1
paste(‘test’,1)

But get:
[1] "test 1"

(i.e. there is a space between “test’“ and “1”)

Is there a way to eliminate the space?