Add Fedora bats setup instructions

docs/abra/hack.md

@@ -91,6 +91,26 @@ Please ask `@decentral1se` or on the Matrix channels for SSH access to the machi
 
 We use [`bats`](https://bats-core.readthedocs.io/en/stable/) to run the tests. You can install the required dependencies with the following. You also need a working installation of Docker and Go >= 1.16 (not covered in this section).
 
+##### Fedora 
+
+```
+sudo dnf install bats
+```
+
+Unfortunately, the Fedora `bats` package doesn't include the libraries we need, so we need to clone those manually:
+
+```
+mkdir -p ~/.local/share/bats/
+cd ~/.local/share/bats
+git clone https://github.com/bats-core/bats-assert.git
+git clone https://github.com/bats-core/bats-file.git
+git clone https://github.com/bats-core/bats-support.git
+```
+
+Then, before running tests, set `export BATS_LIB_PATH=~/.local/share/bats/`
+
+##### Debian
+
 ```
 apt install bats-file bats-assert bats-support jq make git
 ```
@@ -111,7 +131,7 @@ For some tests an actual server is needed, where apps can be deployed. You can e
 ##### Remote swarm
 
 ```
-export ABRA_TEST_DOMAIN="test.example.com"
+export ABRA_SERVER="test.example.com"
 export ABRA_DIR="$HOME/.abra_test"
 ```