Restore env before running gino tests

Author: uriyyo

scripts/ci-test.sh

@@ -61,7 +61,7 @@ _pytest tests/ext -m orm
 _pip uninstall -y orm
 
 echo "Running tests GINO tests"
-_pip install -U "gino[starlette]"
+_pip install -U "gino[starlette]" "sqlalchemy<1.4" "asyncpg"
 _pytest tests -m gino
 _pip uninstall -y gino gino-starlette