Move tests into seperate workflow

.github/workflows/check.yml

@@ -2,7 +2,7 @@ on: [push, pull_request]
 name: CI Checks
 jobs:
   check:
-    name: Check and Lint
+    name: cargo-check
     runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
@@ -16,7 +16,3 @@ jobs:
         with:
           command: check
           args: --workspace
-      - uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --target x86_64-unknown-linux-gnu

.github/workflows/tests_host.yml

@@ -0,0 +1,19 @@
+on: [push, pull_request]
+name: On-host tests
+jobs:
+  check:
+    name: Check and Lint
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          target: thumbv6m-none-eabi
+          override: true
+          profile: minimal
+      ## Tests are currently not working on host - disabled until we can find a good solution
+      # - uses: actions-rs/cargo@v1
+      #   with:
+      #     command: test
+      #     args: --target x86_64-unknown-linux-gnu