fix(test): update snapshot and skip JSON tests when jq is unavailable

Author: Chemaclass

tests/acceptance/snapshots/bashunit_test_sh.test_bashunit_should_display_filtered_assert_docs.snapshot

@@ -23,3 +23,11 @@ Reports an error if `expected` and `actual` are not equals.
 Reports an error if `expected` and `actual` are not equals.
 
 - assert_files_equals is the inverse of this assertion and takes the same arguments.
+
+
+## assert_json_equals
+--------------
+> `assert_json_equals "expected" "actual"`
+
+Reports an error if the two JSON strings are not structurally equal. Key order is ignored. Requires `jq` to be installed; if missing the test is skipped.
+

tests/unit/assert_json_test.sh

@@ -1,6 +1,13 @@
 #!/usr/bin/env bash
 # shellcheck disable=SC2329
 
+function set_up_before_script() {
+  if ! command -v jq >/dev/null 2>&1; then
+    bashunit::skip "jq is required for JSON assertions"
+    return
+  fi
+}
+
 function test_successful_assert_json_key_exists() {
   assert_empty "$(assert_json_key_exists ".name" '{"name":"bashunit","version":"1.0"}')"
 }