Fixed unit test

tests/_concepts.txt

@@ -0,0 +1,15 @@
+def concept one as 1
+def concept two as 2
+def concept three as 3
+def concept four as 4
+def concept five as 5
+def concept one as 1
+def concept two as 2
+def concept three as 3
+def concept four as 4
+def concept five as 5
+def concept one as 1
+def concept two as 2
+def concept three as 3
+def concept four as 4
+def concept five as 5

tests/core/_concepts.txt

@@ -0,0 +1,10 @@
+def concept one as 1
+def concept two as 2
+def concept three as 3
+def concept four as 4
+def concept five as 5
+def concept one as 1
+def concept two as 2
+def concept three as 3
+def concept four as 4
+def concept five as 5

tests/core/test_SheerkaHistoryManager.py

@@ -18,7 +18,7 @@ class TestSheerkaHistoryManager(TestUsingMemoryBasedSheerka):
         sheerka.evaluate_user_input("def concept five as 5")
         sheerka.evaluate_user_input("five")
 
-        h = list(sheerka.history(-1)) # all
+        h = list(sheerka.history(-1))  # all
         assert h == [
             hist("five", True),
             hist("def concept five as 5", True),
@@ -35,18 +35,12 @@ class TestSheerkaHistoryManager(TestUsingMemoryBasedSheerka):
 
         h = list(sheerka.history(2))
         assert h == [
-            hist("two", True),
-            hist("def concept two as 2", True)
+            hist("five", True),
+            hist("def concept five as 5", True)
         ]
 
         h = list(sheerka.history(2, 2))
         assert h == [
-            hist("xxx", False),
-            hist("one", True),
-        ]
-
-        h = list(sheerka.history(-1))
-        assert h == [
-            hist("xxx", False),
-            hist("one", True),
+            hist("four", True),
+            hist("def concept four as 4", True),
         ]

tests/core/test_SheerkaSetsManager.py

@@ -112,7 +112,7 @@ class TestSheerkaSetsManager(TestUsingFileBasedSheerka):
 
         group = Concept("group").init_key()
         group.metadata.id = "1001"
-        assert not sheerka.isagroup(group)
+        assert not sheerka.isaset(group)
 
         foo = Concept("foo").init_key()
         foo.metadata.id = "1002"
@@ -120,5 +120,5 @@ class TestSheerkaSetsManager(TestUsingFileBasedSheerka):
 
         context = self.get_context(sheerka)
         sheerka.add_concept_to_set(context, foo, group)
-        assert sheerka.isagroup(group)
+        assert sheerka.isaset(group)
         assert sheerka.isa(foo, group)