fix: test paths and ABC test

Tests can now be ran no matter where you are located
ABC now checks against two different expected outputs

---

* Closes #10

---

ABC/tests/bear-fuzzy-wuzzy/ABC.expected2

@@ -0,0 +1,6 @@
+
+
+2 matches:
+bear(fuzzy)
+bear(wuzzy)
+

ABC/tests/bear-fuzzy-wuzzy/ABCtest.bats

@@ -14,5 +14,6 @@ teardown() {
 @test "ABC bear-fuzzy-wuzzy" {
   RESULT="$(java -cp abcdatalog.jar:Java Rep -n < ./tests/bear-fuzzy-wuzzy/ABC.input)"
   expected_output=$(< "./tests/bear-fuzzy-wuzzy/ABC.expected")
-  [[ "$RESULT" == "$expected_output" ]]
+  expected_output2=$(< "./tests/bear-fuzzy-wuzzy/ABC.expected2")
+  [[ "$RESULT" == "$expected_output" || "$RESULT" == "$expected_output2" ]]
 }

bin/test.bash

@@ -1,3 +1,7 @@
 #!/usr/bin/env bash
 
+SCRIPT_DIR="$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+PROJECT_ROOT="$( cd "${SCRIPT_DIR}/.." &> /dev/null && pwd )"
+cd "${PROJECT_ROOT}"
+
 bats --recursive .