feat: New folder for selfhosted

selfhosted

@@ -3,17 +3,24 @@
 # Script for running the selfhosted tests on QPUs directly from GitHub
 # Tests need to be copied to /tmp/ because coverage does not work with NFS
 
-cp -r src/qibojit/tests /tmp/
-cp pyproject.toml /tmp/
-cd /tmp/tests
+TMP_DIR=$(mktemp -d /tmp/qibojit.XXXXXX)
+
+cp -r src/qibojit/tests "$TMP_DIR"
+cp pyproject.toml "$TMP_DIR/"
+cd "$TMP_DIR/tests"
+
 source /nfs/users/github/actions-runner/_work/qibojit/qibojit/testenv/bin/activate
+
 pytest
 pytest_status=$?
+
 if [[ $pytest_status -ne 0 ]]
     then
         exit $pytest_status
 fi
+
 cd -
-mv /tmp/tests/coverage.xml .
-mv /tmp/tests/htmlcov .
-rm -r /tmp/tests
+
+mv "$TMP_DIR/tests/coverage.xml" .
+mv "$TMP_DIR/tests/htmlcov" .
+rm -r "$TMP_DIR"