diff --git a/unittest/force-styles/CMakeLists.txt b/unittest/force-styles/CMakeLists.txt
index 0a4a1ce33e..ebad38ed0b 100644
--- a/unittest/force-styles/CMakeLists.txt
+++ b/unittest/force-styles/CMakeLists.txt
@@ -77,6 +77,10 @@ endif()
 foreach(TEST ${MOL_PAIR_TESTS})
   string(REGEX REPLACE "^.*mol-pair-(.*)\.yaml" "MolPairStyle:\\1" TNAME ${TEST})
   extract_tags(TEST_TAGS ${TEST})
+  list(FIND TEST_TAGS "no${CMAKE_SYSTEM_NAME}" _SKIPME)
+  if(_SKIPME GREATER_EQUAL 0)
+    continue()
+  endif()
   add_test(NAME ${TNAME} COMMAND test_pair_style ${TEST})
   set_tests_properties(${TNAME} PROPERTIES ENVIRONMENT "LAMMPS_POTENTIALS=${LAMMPS_POTENTIALS_DIR};PYTHONPATH=${TEST_INPUT_FOLDER}:$ENV{PYTHONPATH}")
   set_tests_properties(${TNAME} PROPERTIES LABELS "${TEST_TAGS}")
@@ -87,6 +91,10 @@ file(GLOB ATOMIC_PAIR_TESTS LIST_DIRECTORIES false ${TEST_INPUT_FOLDER}/atomic-p
 foreach(TEST ${ATOMIC_PAIR_TESTS})
   string(REGEX REPLACE "^.*atomic-pair-(.*)\.yaml" "AtomicPairStyle:\\1" TNAME ${TEST})
   extract_tags(TEST_TAGS ${TEST})
+  list(FIND TEST_TAGS "no${CMAKE_SYSTEM_NAME}" _SKIPME)
+  if(_SKIPME GREATER_EQUAL 0)
+    continue()
+  endif()
   add_test(NAME ${TNAME} COMMAND test_pair_style ${TEST})
   set_tests_properties(${TNAME} PROPERTIES ENVIRONMENT "LAMMPS_POTENTIALS=${LAMMPS_POTENTIALS_DIR};PYTHONPATH=${TEST_INPUT_FOLDER}:$ENV{PYTHONPATH}")
   set_tests_properties(${TNAME} PROPERTIES LABELS "${TEST_TAGS}")
@@ -97,6 +105,10 @@ file(GLOB MANYBODY_PAIR_TESTS LIST_DIRECTORIES false ${TEST_INPUT_FOLDER}/manybo
 foreach(TEST ${MANYBODY_PAIR_TESTS})
   string(REGEX REPLACE "^.*manybody-pair-(.*)\.yaml" "ManybodyPairStyle:\\1" TNAME ${TEST})
   extract_tags(TEST_TAGS ${TEST})
+  list(FIND TEST_TAGS "no${CMAKE_SYSTEM_NAME}" _SKIPME)
+  if(_SKIPME GREATER_EQUAL 0)
+    continue()
+  endif()
   add_test(NAME ${TNAME} COMMAND test_pair_style ${TEST})
   set_tests_properties(${TNAME} PROPERTIES ENVIRONMENT "LAMMPS_POTENTIALS=${LAMMPS_POTENTIALS_DIR};PYTHONPATH=${TEST_INPUT_FOLDER}:$ENV{PYTHONPATH}")
   set_tests_properties(${TNAME} PROPERTIES LABELS "${TEST_TAGS}")
@@ -110,6 +122,10 @@ file(GLOB BOND_TESTS LIST_DIRECTORIES false ${TEST_INPUT_FOLDER}/bond-*.yaml)
 foreach(TEST ${BOND_TESTS})
   string(REGEX REPLACE "^.*bond-(.*)\.yaml" "BondStyle:\\1" TNAME ${TEST})
   extract_tags(TEST_TAGS ${TEST})
+  list(FIND TEST_TAGS "no${CMAKE_SYSTEM_NAME}" _SKIPME)
+  if(_SKIPME GREATER_EQUAL 0)
+    continue()
+  endif()
   add_test(NAME ${TNAME} COMMAND test_bond_style ${TEST})
   set_tests_properties(${TNAME} PROPERTIES ENVIRONMENT "LAMMPS_POTENTIALS=${LAMMPS_POTENTIALS_DIR};PYTHONPATH=${TEST_INPUT_FOLDER}:$ENV{PYTHONPATH}")
   set_tests_properties(${TNAME} PROPERTIES LABELS "${TEST_TAGS}")
@@ -123,6 +139,10 @@ file(GLOB ANGLE_TESTS LIST_DIRECTORIES false ${TEST_INPUT_FOLDER}/angle-*.yaml)
 foreach(TEST ${ANGLE_TESTS})
   string(REGEX REPLACE "^.*angle-(.*)\.yaml" "AngleStyle:\\1" TNAME ${TEST})
   extract_tags(TEST_TAGS ${TEST})
+  list(FIND TEST_TAGS "no${CMAKE_SYSTEM_NAME}" _SKIPME)
+  if(_SKIPME GREATER_EQUAL 0)
+    continue()
+  endif()
   add_test(NAME ${TNAME} COMMAND test_angle_style ${TEST})
   set_tests_properties(${TNAME} PROPERTIES ENVIRONMENT "LAMMPS_POTENTIALS=${LAMMPS_POTENTIALS_DIR};PYTHONPATH=${TEST_INPUT_FOLDER}:$ENV{PYTHONPATH}")
   set_tests_properties(${TNAME} PROPERTIES LABELS "${TEST_TAGS}")
@@ -137,6 +157,10 @@ endif()
 foreach(TEST ${KSPACE_TESTS})
   string(REGEX REPLACE "^.*kspace-(.*)\.yaml" "KSpaceStyle:\\1" TNAME ${TEST})
   extract_tags(TEST_TAGS ${TEST})
+  list(FIND TEST_TAGS "no${CMAKE_SYSTEM_NAME}" _SKIPME)
+  if(_SKIPME GREATER_EQUAL 0)
+    continue()
+  endif()
   add_test(NAME ${TNAME} COMMAND test_pair_style ${TEST})
   set_tests_properties(${TNAME} PROPERTIES ENVIRONMENT "LAMMPS_POTENTIALS=${LAMMPS_POTENTIALS_DIR};PYTHONPATH=${TEST_INPUT_FOLDER}:$ENV{PYTHONPATH}")
   set_tests_properties(${TNAME} PROPERTIES LABELS "${TEST_TAGS}")
@@ -154,6 +178,10 @@ file(GLOB FIX_TIMESTEP_TESTS LIST_DIRECTORIES false ${TEST_INPUT_FOLDER}/fix-tim
 foreach(TEST ${FIX_TIMESTEP_TESTS})
   string(REGEX REPLACE "^.*fix-timestep-(.*)\.yaml" "FixTimestep:\\1" TNAME ${TEST})
   extract_tags(TEST_TAGS ${TEST})
+  list(FIND TEST_TAGS "no${CMAKE_SYSTEM_NAME}" _SKIPME)
+  if(_SKIPME GREATER_EQUAL 0)
+    continue()
+  endif()
   add_test(NAME ${TNAME} COMMAND test_fix_timestep ${TEST})
   set_tests_properties(${TNAME} PROPERTIES ENVIRONMENT "LAMMPS_POTENTIALS=${LAMMPS_POTENTIALS_DIR};PYTHONPATH=${TEST_INPUT_FOLDER}:${LAMMPS_PYTHON_DIR}:$ENV{PYTHONPATH}")
   set_tests_properties(${TNAME} PROPERTIES LABELS "${TEST_TAGS}")
@@ -167,6 +195,10 @@ file(GLOB DIHEDRAL_TESTS LIST_DIRECTORIES false ${TEST_INPUT_FOLDER}/dihedral-*.
 foreach(TEST ${DIHEDRAL_TESTS})
   string(REGEX REPLACE "^.*dihedral-(.*)\.yaml" "DihedralStyle:\\1" TNAME ${TEST})
   extract_tags(TEST_TAGS ${TEST})
+  list(FIND TEST_TAGS "no${CMAKE_SYSTEM_NAME}" _SKIPME)
+  if(_SKIPME GREATER_EQUAL 0)
+    continue()
+  endif()
   add_test(NAME ${TNAME} COMMAND test_dihedral_style ${TEST})
   set_tests_properties(${TNAME} PROPERTIES ENVIRONMENT "LAMMPS_POTENTIALS=${LAMMPS_POTENTIALS_DIR};PYTHONPATH=${TEST_INPUT_FOLDER}:$ENV{PYTHONPATH}")
   set_tests_properties(${TNAME} PROPERTIES LABELS "${TEST_TAGS}")
@@ -180,6 +212,10 @@ file(GLOB IMPROPER_TESTS LIST_DIRECTORIES false ${TEST_INPUT_FOLDER}/improper-*.
 foreach(TEST ${IMPROPER_TESTS})
   string(REGEX REPLACE "^.*improper-(.*)\.yaml" "ImproperStyle:\\1" TNAME ${TEST})
   extract_tags(TEST_TAGS ${TEST})
+  list(FIND TEST_TAGS "no${CMAKE_SYSTEM_NAME}" _SKIPME)
+  if(_SKIPME GREATER_EQUAL 0)
+    continue()
+  endif()
   add_test(NAME ${TNAME} COMMAND test_improper_style ${TEST})
   set_tests_properties(${TNAME} PROPERTIES ENVIRONMENT "LAMMPS_POTENTIALS=${LAMMPS_POTENTIALS_DIR};PYTHONPATH=${TEST_INPUT_FOLDER}:$ENV{PYTHONPATH}")
   set_tests_properties(${TNAME} PROPERTIES LABELS "${TEST_TAGS}")
diff --git a/unittest/force-styles/tests/fix-timestep-python_move_nve.yaml b/unittest/force-styles/tests/fix-timestep-python_move_nve.yaml
index 04bd81670b..9b1fe755ca 100644
--- a/unittest/force-styles/tests/fix-timestep-python_move_nve.yaml
+++ b/unittest/force-styles/tests/fix-timestep-python_move_nve.yaml
@@ -1,6 +1,7 @@
 ---
 lammps_version: 10 Mar 2021
 date_generated: Wed Mar 24 18:57:26 2021
+tags: noWindows
 skip_tests: static
 epsilon: 9e-12
 prerequisites: ! |
diff --git a/unittest/force-styles/tests/mol-pair-python_hybrid.yaml b/unittest/force-styles/tests/mol-pair-python_hybrid.yaml
index 5383ee113f..fc55d85304 100644
--- a/unittest/force-styles/tests/mol-pair-python_hybrid.yaml
+++ b/unittest/force-styles/tests/mol-pair-python_hybrid.yaml
@@ -1,6 +1,7 @@
 ---
 lammps_version: 8 Apr 2021
 date_generated: Mon Apr 19 08:49:08 2021
+tags: noWindows
 epsilon: 5e-14
 prerequisites: ! |
   atom full
diff --git a/unittest/force-styles/tests/mol-pair-python_lj.yaml b/unittest/force-styles/tests/mol-pair-python_lj.yaml
index ac4fcd9207..ecdacdedef 100644
--- a/unittest/force-styles/tests/mol-pair-python_lj.yaml
+++ b/unittest/force-styles/tests/mol-pair-python_lj.yaml
@@ -1,6 +1,7 @@
 ---
 lammps_version: 10 Feb 2021
 date_generated: Fri Feb 26 23:08:56 2021
+tags: noWindows
 epsilon: 5e-14
 prerequisites: ! |
   atom full