Fix tests due to new poetry-core (#3809)

poetry.lock

@@ -366,7 +366,7 @@ importlib-metadata = {version = "^1.7.0", markers = "python_version >= \"3.5\" a
 type = "git"
 url = "https://github.com/python-poetry/poetry-core"
 reference = "master"
-resolved_reference = "d0b8f3ff1d2ec94e317d8ec20920f32a5d4992ef"
+resolved_reference = "5d5251c427aacedcf54f9743635a8124e5a26151"
 
 [[package]]
 name = "pre-commit"

tests/installation/test_executor.py

@@ -131,7 +131,7 @@ Package operations: 4 installs, 1 update, 1 removal
     expected = set(expected.splitlines())
     output = set(io.fetch_output().splitlines())
     assert expected == output
-    assert 5 == len(env.executed)
+    assert 6 == len(env.executed)
     assert 0 == return_code
 
 

tests/packages/test_locker.py

@@ -73,7 +73,7 @@ description = ""
 category = "main"
 optional = false
 python-versions = "*"
-develop = true
+develop = false
 
 [package.source]
 type = "git"