fix: tests (#569)

* fix: tests

Now that process gets replaced on UNIX, tests were not running (pytest got replaced with the first script invocation and returned success).

* remove added `ccmake` test

`ccmake` is not present on Windows
`ccmake` seems to be failing on Linux currently.

tests/test_cmake.py

@@ -27,11 +27,13 @@ def _run(program, args):
 
 
 @all_tools
-def test_cmake_module(tool):
+def test_cmake_module(tool, monkeypatch):
+    monkeypatch.setattr(sys, "platform", "win32")  # do not use os.execl
     _run(tool, ["--version"])
 
 
-def test_cmake_https(tmpdir):
+def test_cmake_https(tmpdir, monkeypatch):
+    monkeypatch.setattr(sys, "platform", "win32")  # do not use os.execl
     test_script = tmpdir.join("cmake-test-https-download.cmake")
     test_script.write(textwrap.dedent(
         """