bigquery get activities test case is flaky

Description bigquery GetActivities test case is flaky. this is due to the go routines which are used to create the permission array. These permissions can be in any order but the test case expects them to be in a given specific order

            provider_test.go:1151: 
                    Error Trace:    /home/runner/work/guardian/guardian/plugins/providers/bigquery/provider_test.go:1151
                                                /home/runner/work/guardian/guardian/plugins/providers/bigquery/suite.go:91
                    Error:          Not equal: 
                                    expected: []*domain.Activity{(*domain.Activity)(0xc0001480f0)}
                                    actual  : []*domain.Activity{(*domain.Activity)(0xc00035e000)}

                                    Diff:
                                    --- Expected
                                    +++ Actual
                                    @@ -42,4 +42,4 @@
                                       RelatedPermissions: ([]string) (len=2) {
                                    -   (string) (len=6) "READER",
                                    -   (string) (len=6) "WRITER"
                                    +   (string) (len=6) "WRITER",
                                    +   (string) (len=6) "READER"
                                       },
                    Test:           TestBigQueryProvider/TestGetActivities_Success/should_map_bigquery_logging_entries_to_guardian_activities
FAIL

Expected behavior Test case should not be flaky.

Additional context We can either sort in code itself so that the values are in expected order always or we can sort in the test case and then do assert

raystack / guardian

bigquery get activities test case is flaky #344