diff --git a/roottest/cling/dict/ROOT-8096/CMakeLists.txt b/roottest/cling/dict/ROOT-8096/CMakeLists.txt
index 1728d8e6e7380..26526e3c9a9fc 100644
--- a/roottest/cling/dict/ROOT-8096/CMakeLists.txt
+++ b/roottest/cling/dict/ROOT-8096/CMakeLists.txt
@@ -20,6 +20,10 @@ add_test(NAME roottest-cling-dict-ROOT-8096-build
                                   -- ${always-make})
 #                                  --target  ${targetname_libgen}${fast})
 set_property(TEST roottest-cling-dict-ROOT-8096-build PROPERTY ENVIRONMENT ${ROOTTEST_ENVIRONMENT})
+if(CMAKE_GENERATOR MATCHES Ninja AND NOT MSVC)
+   set_property(TEST roottest-cling-dict-ROOT-8096-build APPEND PROPERTY RESOURCE_LOCK NINJA_BUILD)
+   set_property(TEST roottest-cling-dict-ROOT-8096-build APPEND PROPERTY FIXTURES_REQUIRED NINJA_BUILD_ALL)
+endif()
 
 if(MSVC AND NOT CMAKE_GENERATOR MATCHES Ninja)
    set(load_precmd ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>/libROOT-8096.dll ${CMAKE_CURRENT_BINARY_DIR}/)
diff --git a/roottest/cling/stl/dicts/CMakeLists.txt b/roottest/cling/stl/dicts/CMakeLists.txt
index 63c00cae7513e..6241dcb3b2747 100644
--- a/roottest/cling/stl/dicts/CMakeLists.txt
+++ b/roottest/cling/stl/dicts/CMakeLists.txt
@@ -11,3 +11,7 @@ ROOTTEST_LINKER_LIBRARY(stldictTest TEST MyClass1.cpp MyClass2.cpp MyClass3.cpp
 # of targets. Doing so right now would build the dictionaries twice.
 ROOT_ADD_TEST(roottest-cling-stl-dicts-build 
               COMMAND ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR} ${build_config} --target stldictTest${fast} -- ${always-make})
+if(CMAKE_GENERATOR MATCHES Ninja AND NOT MSVC)
+    set_property(TEST roottest-cling-stl-dicts-build APPEND PROPERTY RESOURCE_LOCK NINJA_BUILD)
+    set_property(TEST roottest-cling-stl-dicts-build APPEND PROPERTY FIXTURES_REQUIRED NINJA_BUILD_ALL)
+endif()
diff --git a/roottest/root/io/rootcint/sigbug/CMakeLists.txt b/roottest/root/io/rootcint/sigbug/CMakeLists.txt
index c06217725de45..082935010c33d 100644
--- a/roottest/root/io/rootcint/sigbug/CMakeLists.txt
+++ b/roottest/root/io/rootcint/sigbug/CMakeLists.txt
@@ -19,3 +19,7 @@ add_test(NAME ${GENERATE_DICTIONARY_TEST}
                                     ${build_config}
                                     --target ${dictname}${fast}
                                     -- ${always-make})
+if(CMAKE_GENERATOR MATCHES Ninja AND NOT MSVC)
+    set_property(TEST ${GENERATE_DICTIONARY_TEST} APPEND PROPERTY RESOURCE_LOCK NINJA_BUILD)
+    set_property(TEST ${GENERATE_DICTIONARY_TEST} APPEND PROPERTY FIXTURES_REQUIRED NINJA_BUILD_ALL)
+endif()
diff --git a/roottest/root/io/tmpifile/CMakeLists.txt b/roottest/root/io/tmpifile/CMakeLists.txt
index 63aca0daba6de..6092e826104f1 100644
--- a/roottest/root/io/tmpifile/CMakeLists.txt
+++ b/roottest/root/io/tmpifile/CMakeLists.txt
@@ -13,6 +13,10 @@ ROOTTEST_ADD_TEST(split-fail
 
 ROOTTEST_ADD_TEST(libjetevent-build
                   COMMAND ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR} ${build_config} --target JetEvent${fast} -- ${always-make})
+if(CMAKE_GENERATOR MATCHES Ninja AND NOT MSVC)
+    set_property(TEST roottest-root-io-tmpifile-libjetevent-build APPEND PROPERTY RESOURCE_LOCK NINJA_BUILD)
+    set_property(TEST roottest-root-io-tmpifile-libjetevent-build APPEND PROPERTY FIXTURES_REQUIRED NINJA_BUILD_ALL)
+endif()
 
 ROOTTEST_ADD_TEST(sync-rate
                   COPY_TO_BUILDDIR sync_rate.C
diff --git a/roottest/root/io/tmpifile/split.C b/roottest/root/io/tmpifile/split.C
index 8f3fe4f0608b9..580aaa134f0da 100644
--- a/roottest/root/io/tmpifile/split.C
+++ b/roottest/root/io/tmpifile/split.C
@@ -1,10 +1,4 @@
 void split()
 {
-   try
-   {
-      TMPIFile *newfile = new TMPIFile("test_split.root", "RECREATE", 2);
-   } catch(const std::exception&)
-   {
-      return EXIT_FAILURE;
-   }
+   TMPIFile *newfile = new TMPIFile("test_split.root", "RECREATE", 2);
 }
diff --git a/roottest/root/io/transient/base/CMakeLists.txt b/roottest/root/io/transient/base/CMakeLists.txt
index 9e25133d0a366..9836a6a2177eb 100644
--- a/roottest/root/io/transient/base/CMakeLists.txt
+++ b/roottest/root/io/transient/base/CMakeLists.txt
@@ -4,13 +4,24 @@ set(CMAKE_ROOTTEST_NOROOTMAP OFF)
 ROOT_GENERATE_DICTIONARY(base_cling ${CMAKE_CURRENT_SOURCE_DIR}/base.h MODULE base LINKDEF baseLinkDef.h)
 ROOTTEST_LINKER_LIBRARY(base base_cling.cxx testobject.cpp testobjectderived.cpp TEST LIBRARIES ROOT::Core ROOT::RIO)
 
+add_test(NAME roottest-root-io-transient-base-build
+         COMMAND ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR}
+                                  ${build_config}
+                                  --target base${fast}
+                                  -- ${always-make})
+set_property(TEST roottest-root-io-transient-base-build PROPERTY FIXTURES_SETUP root-io-transient-base-build)
+if(CMAKE_GENERATOR MATCHES Ninja AND NOT MSVC)
+   set_property(TEST roottest-root-io-transient-base-build APPEND PROPERTY RESOURCE_LOCK NINJA_BUILD)
+   set_property(TEST roottest-root-io-transient-base-build APPEND PROPERTY FIXTURES_REQUIRED NINJA_BUILD_ALL)
+endif()
+
 ROOTTEST_ADD_TEST(WriteFile
                   COPY_TO_BUILDDIR testobject.h testobjectderived.h
-                  PRECMD ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR} ${build_config} --target base${fast}
                   MACRO execWriteFile.cxx+
                   ROOTEXE_OPTS -e "(void)gSystem->Load(\"libbase\")"
                   OUTREF execWriteFile${ref_suffix}
                   TIMEOUT 600
+                  FIXTURES_REQUIRED root-io-transient-base-build
                   FIXTURES_SETUP root-io-transient-base-WriteFile-fixture)
 
 if(${compression_default} STREQUAL "lz4")
diff --git a/roottest/root/meta/genreflex/ROOT-5768/CMakeLists.txt b/roottest/root/meta/genreflex/ROOT-5768/CMakeLists.txt
index a306e3a68e3c0..f255089616020 100644
--- a/roottest/root/meta/genreflex/ROOT-5768/CMakeLists.txt
+++ b/roottest/root/meta/genreflex/ROOT-5768/CMakeLists.txt
@@ -27,4 +27,8 @@ if(NOT MSVC OR win_broken_tests)
   ROOTTEST_ADD_TEST(PyCoolLib-build
                     COMMAND ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR} ${build_config} --target PyCoolLib${fast} -- ${always-make}
                     FIXTURES_REQUIRED PyCool-reflex-dict)
-endif()
\ No newline at end of file
+  if(CMAKE_GENERATOR MATCHES Ninja AND NOT MSVC)
+    set_property(TEST roottest-root-meta-genreflex-ROOT-5768-PyCoolLib-build APPEND PROPERTY RESOURCE_LOCK NINJA_BUILD)
+    set_property(TEST roottest-root-meta-genreflex-ROOT-5768-PyCoolLib-build APPEND PROPERTY FIXTURES_REQUIRED NINJA_BUILD_ALL)
+  endif()
+endif()