bazel: consolidate bazel test invocations

This way it can run them in parallel.

pkgs/development/tools/build-managers/bazel/default.nix

@@ -75,8 +75,9 @@ stdenv.mkDerivation rec {
   doCheck = true;
   checkPhase = ''
     export TEST_TMPDIR=$(pwd)
-    ./output/bazel test --test_output=errors examples/cpp:hello-success_test
-    ./output/bazel test --test_output=errors examples/java-native/src/test/java/com/example/myproject:hello
+    ./output/bazel test --test_output=errors \
+        examples/cpp:hello-success_test \
+        examples/java-native/src/test/java/com/example/myproject:hello
   '';
 
   installPhase = ''