Update README with proper cargo test command

We don't need to run the rust tests single-threaded anymore.
prisma · Mar 9, 2020 · 62c2151 · 62c2151
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commit 62c2151
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -163,7 +163,7 @@ If you want to use the command line, start `sbt` in
 - Start all test databases with `make all-dbs`.
 
 **Run:**
-Run `cargo test -- --test-threads 1` in the repository root.
+Run `cargo test` in the repository root.
 
 ## WIP Coding Guidelines
 - Prevent compiler warnings