internal/rosa: retry in SIGSEGV test

Munmap is not always immediate.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/report_test.go

@@ -51,7 +51,8 @@ func TestReportSIGSEGV(t *testing.T) {
 			}
 		}()
 		defer r.HandleAccess(&err)()
+		for {
 			r.ArtifactOf(unique.Make(pkg.ID{}))
 		}
-
+	}
 }