Fix/skip some failing tests

Author: joerick

test/test_environment.py

@@ -100,7 +100,12 @@ def test_overridden_path(tmp_path, capfd):
     "build_frontend",
     [
         pytest.param("pip", marks=utils.skip_if_pyodide("No pip for pyodide")),
-        "build",
+        pytest.param(
+            "build",
+            marks=utils.skip_if_pyodide(
+                "pyodide doesn't support multiple values for PIP_CONSTRAINT"
+            ),
+        ),
     ],
 )
 def test_overridden_pip_constraint(tmp_path, build_frontend):

test/test_pep518.py

@@ -45,12 +45,19 @@ def test_pep518(tmp_path, build_frontend_env):
     assert not (project_dir / "42").exists()
     assert not (project_dir / "4.1.2").exists()
 
-    # pypa/build creates a "build" folder & a "*.egg-info" folder for the wheel being built,
-    # this should be harmless so remove them
+    # pypa/build creates a "build" folder & a "*.egg-info" folder for the
+    # wheel being built, this should be harmless so remove them. Pyodide build
+    # creates a ".pyodide_build" folder, but this is gitignored with a
+    # .gitignore file inside.
     contents = [
         item
         for item in project_dir.iterdir()
-        if item.name != "build" and not item.name.endswith(".egg-info")
+        if item.name != "build"
+        and not item.name.endswith(".egg-info")
+        and item.name != ".pyodide_build"
     ]
 
+    print("Project contents after build:")
+    print("\n".join(f"  {f}" for f in contents))
+
     assert len(contents) == len(basic_project.files)