[test] Moved all error related algorithms under their own user

This allows to have a cleaner content and a dedicated place for
error related tests.

.pre-commit-config.yaml

@@ -6,14 +6,14 @@ repos:
     hooks:
     - id: black
       language_version: python3.6
-      exclude: beat/core/test/prefix/algorithms/user/syntax_error/1.py|beat/core/test/prefix/databases/invalid/1.py
+      exclude: beat/core/test/prefix/algorithms/errors/syntax_error/1.py|beat/core/test/prefix/databases/invalid/1.py
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v2.0.0
     hooks:
       - id: trailing-whitespace
       - id: end-of-file-fixer
       - id: debug-statements
-        exclude: beat/core/test/prefix/algorithms/user/syntax_error/1.py|beat/core/test/prefix/databases/invalid/1.py
+        exclude: beat/core/test/prefix/algorithms/errors/syntax_error/1.py|beat/core/test/prefix/databases/invalid/1.py
       - id: check-added-large-files
       - id: check-docstring-first
       - id: flake8
@@ -23,7 +23,7 @@ repos:
     rev: 'master' # Update me!
     hooks:
       - id: bandit
-        exclude: beat/editor/test|beat/core/test/prefix/algorithms/user/syntax_error/1.py|beat/core/test/prefix/databases/invalid/1.py
+        exclude: beat/core/test/prefix/algorithms/errors/syntax_error/1.py|beat/core/test/prefix/databases/invalid/1.py
   - repo: local
     hooks:
       - id: sphinx-build

beat/core/test/test_algorithm_loading.py

@@ -58,7 +58,7 @@ def test_load_default_algorithm():
 
 def test_missing_inputs():
 
-    algorithm = Algorithm(prefix, "user/no_inputs_declarations/1")
+    algorithm = Algorithm(prefix, "errors/no_inputs_declarations/1")
     nose.tools.assert_false(algorithm.valid)
     nose.tools.assert_not_equal(
         algorithm.errors[0].find("'inputs' is a required property"), -1
@@ -70,7 +70,7 @@ def test_missing_inputs():
 
 def test_missing_outputs():
 
-    algorithm = Algorithm(prefix, "user/no_outputs_declarations/1")
+    algorithm = Algorithm(prefix, "errors/no_outputs_declarations/1")
     nose.tools.assert_false(algorithm.valid)
     nose.tools.assert_not_equal(
         algorithm.errors[0].find("'outputs' is a required property"), -1