csmock: use rpmbuild --without test ...

... when execution of tests is not needed for the requested scan.
This fixes an unnecessary failure while SAST scanning
`jss-4.9.4-1.module+el8.7.0+15532+95bac9ee`

Resolves: https://issues.redhat.com/browse/OSH-697
Closes: csutils#175

py/csmock

@@ -74,6 +74,7 @@ DEFAULT_RPM_OPTS = [
 NOCHECK_RPM_OPTS = [
     "--define", "libguestfs_runtests 0",
     "--define", "runselftest 0",
+    "--without", "test",
     "--without", "testsuite"]
 
 RAWBUILD_RPM_OPTS = [