Migrate `run-make/rustdoc-scrape-examples-test` to new `rmake.rs`

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -236,7 +236,6 @@ run-make/rustc-macro-dep-files/Makefile
 run-make/rustdoc-io-error/Makefile
 run-make/rustdoc-scrape-examples-macros/Makefile
 run-make/rustdoc-scrape-examples-multiple/Makefile
-run-make/rustdoc-scrape-examples-test/Makefile
 run-make/rustdoc-scrape-examples-whitespace/Makefile
 run-make/rustdoc-verify-output-files/Makefile
 run-make/rustdoc-with-output-option/Makefile

tests/run-make/rustdoc-scrape-examples-invalid-expr/rmake.rs

@@ -2,5 +2,5 @@
 mod scrape;
 
 fn main() {
-    scrape::scrape();
+    scrape::scrape(&[]);
 }

tests/run-make/rustdoc-scrape-examples-ordering/rmake.rs

@@ -2,5 +2,5 @@
 mod scrape;
 
 fn main() {
-    scrape::scrape();
+    scrape::scrape(&[]);
 }

tests/run-make/rustdoc-scrape-examples-remap/rmake.rs

@@ -1,5 +1,5 @@
 mod scrape;
 
 fn main() {
-    scrape::scrape();
+    scrape::scrape(&[]);
 }

tests/run-make/rustdoc-scrape-examples-remap/scrape.rs

@@ -2,7 +2,7 @@ use run_make_support::{htmldocck, rustc, rustdoc, source_path, tmp_dir};
 use std::fs::read_dir;
 use std::path::Path;
 
-pub fn scrape() {
+pub fn scrape(extra_args: &[&str]) {
     let lib_dir = tmp_dir();
     let out_dir = tmp_dir().join("rustdoc");
     let crate_name = "foobar";
@@ -29,6 +29,7 @@ pub fn scrape() {
             .arg(&out_example)
             .arg("--scrape-examples-target-crate")
             .arg(crate_name)
+            .args(extra_args)
             .run();
         out_deps.push(out_example);
     }

tests/run-make/rustdoc-scrape-examples-test/Makefile

@@ -1,6 +0,0 @@
-extra_flags := --scrape-tests
-deps := ex
-
-include ../rustdoc-scrape-examples-multiple/scrape.mk
-
-all: scrape

tests/run-make/rustdoc-scrape-examples-test/rmake.rs

@@ -0,0 +1,6 @@
+#[path = "../rustdoc-scrape-examples-remap/scrape.rs"]
+mod scrape;
+
+fn main() {
+    scrape::scrape(&["--scrape-tests"]);
+}