fix doctest

We need to pass -s to pytest.
I've also passed --durations=0 to show test duration for all tests

pytest.ini

@@ -7,7 +7,7 @@ log_cli: true
 log_cli_level: info
 
 ; Extra command line options
-addopts: --showlocals --doctest-modules
+addopts: --showlocals --doctest-modules --durations=0 -s
 
 ; Directories to search for tests when no files or directories are given on the
 ; command line

snapshot_manager/snapshot_manager/copr_util.py

@@ -182,8 +182,7 @@ def has_all_good_builds(
         Example: Check with a not existing copr project
 
         >>> CoprClient().has_all_good_builds(copr_ownername="non-existing-owner", copr_projectname="non-existing-project", required_packages=[], required_chroots=[])
-        Traceback (most recent call last):
-        ValueError: copr project non-existing-owner/non-existing-project does not exist
+        False
         """
         logging.info(
             f"Checking for all good builds in {copr_ownername}/{copr_projectname}..."
@@ -192,7 +191,7 @@ def has_all_good_builds(
         if not self.project_exists(
             copr_ownername=copr_ownername, copr_projectname=copr_projectname
         ):
-            logging.warn(
+            logging.warning(
                 f"copr project {copr_ownername}/{copr_projectname} does not exist"
             )
             return False