Improve path rule (#8623)

* Improve path rule

* Add nginx configuration tests

* Revert framework changes

* Add test to patched directives

* Fix root conf test

* Add comment in new function

internal/ingress/inspector/rules_test.go

@@ -35,6 +35,11 @@ func TestCheckRegex(t *testing.T) {
 			wantErr: true,
 			value:   "   alias    blabla/lala ;",
 		},
+		{
+			name:    "must refuse invalid alias with line break",
+			wantErr: true,
+			value:   "alias #\n/lalala/1/;",
+		},
 		{
 			name:    "must refuse invalid attempt to call /etc",
 			wantErr: true,