Add support for detecting tests in source files, and implement it for…

… Rust (#11195)

Continuing work from #10873 

Release Notes:

- N/A

---------

Co-authored-by: Mikayla <mikayla@zed.dev>

crates/collab/src/tests/editor_tests.rs

@@ -667,7 +667,7 @@ async fn test_collaborating_with_code_actions(
     editor_b.update(cx_b, |editor, cx| {
         editor.toggle_code_actions(
             &ToggleCodeActions {
-                deployed_from_indicator: false,
+                deployed_from_indicator: None,
             },
             cx,
         );

crates/editor/Cargo.toml

@@ -60,6 +60,7 @@ smallvec.workspace = true
 smol.workspace = true
 snippet.workspace = true
 sum_tree.workspace = true
+task.workspace = true
 text.workspace = true
 time.workspace = true
 time_format.workspace = true

crates/editor/src/actions.rs

@@ -53,7 +53,13 @@ pub struct SelectToEndOfLine {
 #[derive(PartialEq, Clone, Deserialize, Default)]
 pub struct ToggleCodeActions {
     #[serde(default)]
-    pub deployed_from_indicator: bool,
+    pub deployed_from_indicator: Option<u32>,
+}
+
+#[derive(PartialEq, Clone, Deserialize, Default)]
+pub struct ToggleTestRunner {
+    #[serde(default)]
+    pub deployed_from_row: Option<u32>,
 }
 
 #[derive(PartialEq, Clone, Deserialize, Default)]