Migrate invalid heading test to parser test

Makes more sense as a parser test.

Author: jacobdeichert

mask-parser/src/parser.rs

@@ -313,6 +313,16 @@ fi
 
 echo "This is required - $required"
 ~~~
+
+# This is an invalid H1, so it will be ignored
+
+## invalid_cmd
+
+Everything below an invalid H1 will also be ignored.
+
+~~~bash
+echo hey
+~~~
 "#;
 
 #[cfg(test)]

mask/tests/subcommands_test.rs

@@ -134,52 +134,3 @@ Write-Output "Start all services"
             .success();
     }
 }
-
-mod when_another_level_1_heading_is_found {
-    use super::*;
-
-    #[test]
-    fn subcommands_above_level_1_work() {
-        let (_temp, maskfile_path) = common::maskfile(
-            r#"
-## start
-~~~bash
-echo "start"
-~~~
-
-# invalid level 1 heading
-"#,
-        );
-
-        common::run_mask(&maskfile_path)
-            .cli("start")
-            .assert()
-            .stdout(contains("start"))
-            .success();
-    }
-
-    #[test]
-    fn subcommands_below_level_1_are_ignored() {
-        let (_temp, maskfile_path) = common::maskfile(
-            r#"
-## start
-~~~bash
-echo "start"
-~~~
-
-# invalid level 1 heading
-
-## ignored
-~~~bash
-echo "ignored"
-~~~
-"#,
-        );
-
-        common::run_mask(&maskfile_path)
-            .cli("ignored")
-            .assert()
-            .stderr(contains("error: Found argument 'ignored' which wasn't expected, or isn't valid in this context"))
-            .failure();
-    }
-}