test(xatu): reuse lint findings fixture

src/xatu/BUILD

@@ -33,7 +33,6 @@ rust_test(
     data = [
         "testdata/clean.nix",
         "testdata/invalid.nix",
-        "testdata/let_order.nix",
         "testdata/lint_findings.nix",
     ],
     deps = [

src/xatu/testdata/let_order.nix

@@ -1,4 +0,0 @@
-let
-  support = "support";
-  primary = support;
-in primary

src/xatu/testdata/lint_findings.nix

@@ -1,5 +1,9 @@
-{
+let
+  support = "support";
+  primary = support;
+in {
   package = package;
   from = pkgs.from;
   url = https://example.com;
+  ordered = primary;
 }

src/xatu/xatu_test.rs

@@ -67,7 +67,7 @@ fn xatu_reports_unquoted_uri() -> googletest::Result<()> {
 
 #[gtest]
 fn xatu_reports_let_order() -> googletest::Result<()> {
-    let report = xatu::future_sight(vec![fixture_source("testdata/let_order.nix")?]).or_fail()?;
+    let report = xatu::future_sight(vec![fixture_source("testdata/lint_findings.nix")?]).or_fail()?;
 
     let let_order_diagnostics = report
         .diagnostics