tests: improve bats/gh integration

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>

tests/helpers.bash

@@ -7,6 +7,9 @@ common_setup() {
     DAGGER="${DAGGER_BINARY:-$TESTDIR/../cmd/dagger/dagger}"
     export DAGGER
 
+    DAGGER_LOG_FORMAT="pretty"
+    export DAGGER_LOG_FORMAT
+
     DAGGER_STORE="$(mktemp -d -t dagger-store-XXXXXX)"
     export DAGGER_STORE
 }

tests/package.json

@@ -1,7 +1,7 @@
 {
   "license": "Apache-2.0",
   "scripts": {
-    "test": "bats ."
+    "test": "bats --report-formatter junit ."
   },
   "devDependencies": {
     "bats": "https://github.com/bats-core/bats-core.git",