gnu: python-coveralls: Update to 4.0.1.

* gnu/packages/python-check.scm (python-coveralls): Update to 4.0.1.
[source]<origin>: Remove uneeded modules and snippet fields.
[build-system]: Switch to pyproject-build-system.
[arguments]<#:phases>: Move functionality to...
<#:test-flags>: ...here. Add failing tests.
[native-inputs]: Add poetry.

Signed-off-by: Sharlatan Hellseher <sharlatanus@gmail.com>

gnu/packages/python-check.scm

@@ -343,7 +343,7 @@ are useful when writing automated tests in Python.")
 (define-public python-coveralls
   (package
     (name "python-coveralls")
-    (version "3.2.0")
+    (version "4.0.1")
     (home-page "https://github.com/coveralls-clients/coveralls-python")
     (source
      (origin
@@ -352,28 +352,19 @@ are useful when writing automated tests in Python.")
        (uri (git-reference (url home-page) (commit version)))
        (file-name (git-file-name name version))
        (sha256
-        (base32
-         "1915ab77nfb1rfw4i2ps0zy19wpf20lwxn81qxxbwyd2gy7m0fn8"))
-       (modules '((guix build utils)))
-       (snippet '(substitute* "setup.py"
-                  (("'coverage>=4.1,<6.0',") "'coverage',")))))
-    (build-system python-build-system)
+        (base32 "1411h7rwxgp9ag26bmlpy7g7sdh39f56dc1mrd1n74bjsgvwzj6l"))))
+    (build-system pyproject-build-system)
     (arguments
-     '(#:phases (modify-phases %standard-phases
-                  (add-before 'check 'disable-git-test
-                    (lambda _
-                      ;; Remove test that requires 'git' and the full checkout.
-                      (delete-file "tests/git_test.py")))
-                  (replace 'check
-                    (lambda* (#:key tests? #:allow-other-keys)
-                      (if tests?
-                          ;; Test fails for unknown reasons. No fix available.
-                          (invoke "pytest" "-vv" "-k" "not test_reporter_with_branches")
-                          (format #t "test suite not run~%")))))))
+     (list #:test-flags '(list
+                          ;; XXX: Avoid git dependency.
+                          "--ignore=tests/git_test.py"
+                          ;; XXX: Unable to find coverage package.
+                          "--ignore=tests/api/reporter_test.py"
+                          "--ignore=tests/integration_test.py")))
     (propagated-inputs
      (list python-coverage python-docopt python-pyyaml python-requests))
     (native-inputs
-     (list python-mock python-pytest python-responses))
+     (list poetry python-mock python-pytest python-responses))
     (synopsis "Show coverage stats online via coveralls.io")
     (description
      "Coveralls.io is a service for publishing code coverage statistics online.