Refactors tests folder to separate different modules

Each module has a different folder and they do not share methods now. At some point they should be split in different repos

test/pisa/unit/test_blob.py

@@ -0,0 +1,21 @@
+from binascii import unhexlify
+
+from pisa import c_logger
+from apps.cli.blob import Blob
+from test.pisa.unit.conftest import get_random_value_hex
+
+c_logger.disabled = True
+
+
+def test_init_blob():
+    data = get_random_value_hex(64)
+    blob = Blob(data)
+    assert isinstance(blob, Blob)
+
+    # Wrong data
+    try:
+        Blob(unhexlify(get_random_value_hex(64)))
+        assert False, "Able to create blob with wrong data"
+
+    except ValueError:
+        assert True