diff --git a/python-meson-python.spec b/python-meson-python.spec
index 6d2101d..5811947 100644
--- a/python-meson-python.spec
+++ b/python-meson-python.spec
@@ -1,4 +1,7 @@
 %bcond tests 1
+# The python-pytest-mock dependency is unwanted on RHEL; we can omit it and
+# still run most of the tests.
+%bcond pytest_mock %{undefined rhel}
 
 Name:           python-meson-python
 Summary:        Meson Python build backend (PEP 517)
@@ -52,6 +55,9 @@ Requires:       /usr/bin/patchelf
 # build: used only by skipped PEP 518 test
 # pytest-cov: https://docs.fedoraproject.org/en-US/packaging-guidelines/Python/#_linters
 sed -r -i "s/^  '(build|pytest-cov)/#&/" pyproject.toml
+%if %{without pytest_mock}
+sed -r -i "s/^  '(pytest-mock)/#&/" pyproject.toml
+%endif
 
 
 %generate_buildrequires
@@ -69,9 +75,18 @@ sed -r -i "s/^  '(build|pytest-cov)/#&/" pyproject.toml
 
 %check
 %if %{with tests}
-# PEP 518 tests require network access.
 # Note: tests are *not* safe for parallel execution with pytest-xdist.
-%pytest --ignore=tests/test_pep518.py
+
+# PEP 518 tests require network access.
+ignore="${ignore-} --ignore=tests/test_pep518.py"
+
+%if %{without pytest_mock}
+k="${k-}${k+ and }not test_invalid_build_dir"
+k="${k-}${k+ and }not test_use_ansi_colors"
+%endif
+
+%pytest ${ignore-} -k "${k-}"
+
 %else
 %pyproject_check_import
 %endif