Merge branch 'master' into 'master'

Revert /dev/shm manipulations

See merge request automation/pg-tests!1341

Author: Alexander Lakhin

tests_install/test_installcheck.py

@@ -81,9 +81,6 @@ def test_make_check(self, request):
                 print("Test performed with pgpro-online-upgrade")
                 run_test_ou = True
 
-        if edition == "ent" and version == "13" and self.system == "Linux":
-            os.system('mount -t tmpfs -o remount,size=1000M tmpfs /dev/shm')
-
         if self.system == 'Windows':
             if os.path.exists(pginst.get_default_bin_path()):
                 # Refresh environment to get correct PYTHONHOME

tests_install/test_multimaster_install.py

@@ -526,7 +526,7 @@ def test_multimaster_install(self, request):
             return
         # Resize /dev/shm under Linux
         if self.system == 'Linux':
-            os.system('mount -t tmpfs -o remount,size=2500M tmpfs /dev/shm')
+            os.system('mount -t tmpfs -o remount,size=1500M tmpfs /dev/shm')
 
         # Step 1
         pginst = PgInstall(product=name, edition=edition,