test: do not setup cartridge suite if unsupported

Before this patch, cartridge test suites were always set up with params
and skipped if not supported. After this patch, test won't set it up
at all if not supported. It reduces the quantity of useless info in test
output.

Author: DifferentialOrange

test/helper.lua

@@ -826,19 +826,33 @@ function helpers.extend_vshard_matrix(backend_params, backend_cfg_key, backend_c
     return backend_params
 end
 
+function helpers.is_cartridge_suite_supported()
+    local is_module_provided = pcall(require, 'cartridge')
+
+    local tarantool_version = luatest_utils.get_tarantool_version()
+    local is_tarantool_supports = not luatest_utils.version_ge(tarantool_version,
+        luatest_utils.version(3, 0, 0))
+    return is_module_provided and is_tarantool_supports
+end
+
 function helpers.backend_matrix(base_matrix)
     base_matrix = base_matrix or {{}}
     local backend_params = {
-        {
-            backend = helpers.backend.CARTRIDGE,
-            backend_cfg = nil,
-        },
         {
             backend = helpers.backend.VSHARD,
             backend_cfg = nil,
         },
     }
 
+    if helpers.is_cartridge_suite_supported() then
+        table.insert(backend_params,
+            {
+                backend = helpers.backend.CARTRIDGE,
+                backend_cfg = nil,
+            }
+        )
+    end
+
     if helpers.is_name_supported_as_vshard_id() then
         backend_params = helpers.extend_vshard_matrix(
             backend_params,