Accept --test multiple times

Fixes #437

CHANGELOG.md

@@ -10,6 +10,7 @@ All notable changes to insta and cargo-insta are documented here.
 - The `--package` parameter can be supplied multiple times now.  (#427)
 - Leading newlines in snapshots are now ignored to resolve issues with
   inline snapshots that were never able to match.  (#444)
+- `cargo insta test` now accepts the `--test` parameter multiple times.  (#437)
 
 ## 1.34.0
 

cargo-insta/src/cli.rs

@@ -126,9 +126,9 @@ struct TestCommand {
     /// Test all examples
     #[structopt(long)]
     examples: bool,
-    /// Test only the specified test target
+    /// Test only the specified test targets
     #[structopt(long)]
-    test: Option<String>,
+    test: Vec<String>,
     /// Test all tests
     #[structopt(long)]
     tests: bool,
@@ -847,7 +847,7 @@ fn prepare_test_runner<'snapshot_ref>(
         proc.arg("--examples");
         prevents_doc_run = true;
     }
-    if let Some(ref test) = cmd.test {
+    for test in &cmd.test {
         proc.arg("--test");
         proc.arg(test);
         prevents_doc_run = true;