diff --git a/dlls/msi/tests/Makefile.in b/dlls/msi/tests/Makefile.in
index 5c7e81eeed6..5f85d119fa6 100644
--- a/dlls/msi/tests/Makefile.in
+++ b/dlls/msi/tests/Makefile.in
@@ -1,7 +1,7 @@
 TESTDLL   = msi.dll
 IMPORTS   = cabinet msi shell32 ole32 oleaut32 user32 advapi32 version odbccp32
 
-custom_IMPORTS = uuid msi ole32 shell32 advapi32 odbccp32
+custom_IMPORTS = uuid msi ole32 shell32 advapi32 odbccp32 oleaut32
 
 SOURCES = \
 	action.c \
diff --git a/dlls/msi/tests/action.c b/dlls/msi/tests/action.c
index 1cf9e9e7411..306bfae6f84 100644
--- a/dlls/msi/tests/action.c
+++ b/dlls/msi/tests/action.c
@@ -1006,14 +1006,27 @@ static const char tl_install_exec_seq_dat[] =
     "InstallInitialize\t\t1500\n"
     "ProcessComponents\t\t1600\n"
     "UnregisterTypeLibraries\t\t3100\n"
+    "ut_immediate\tREMOVE\t3101\n"
+    "ut_deferred\tREMOVE\t3102\n"
     "RemoveFiles\t\t3200\n"
     "InstallFiles\t\t3300\n"
     "RegisterTypeLibraries\t\t3400\n"
+    "rt_immediate\tNOT REMOVE\t3401\n"
+    "rt_deferred\tNOT REMOVE\t3402\n"
     "RegisterProduct\t\t5100\n"
     "PublishFeatures\t\t5200\n"
     "PublishProduct\t\t5300\n"
     "InstallFinalize\t\t6000\n";
 
+static const char tl_custom_action_dat[] =
+    "Action\tType\tSource\tTarget\n"
+    "s72\ti2\tS64\tS0\n"
+    "CustomAction\tAction\n"
+    "rt_immediate\t1\tcustom.dll\ttl_absent\n"
+    "rt_deferred\t1025\tcustom.dll\ttl_present\n"
+    "ut_immediate\t1\tcustom.dll\ttl_present\n"
+    "ut_deferred\t1025\tcustom.dll\ttl_absent\n";
+
 static const char crs_file_dat[] =
     "File\tComponent_\tFileName\tFileSize\tVersion\tLanguage\tAttributes\tSequence\n"
     "s72\ts72\tl255\ti4\tS72\tS20\tI2\ti2\n"
@@ -2146,6 +2159,7 @@ static const msi_table tl_tables[] =
     ADD_TABLE(tl_file),
     ADD_TABLE(tl_typelib),
     ADD_TABLE(tl_install_exec_seq),
+    ADD_TABLE(tl_custom_action),
     ADD_TABLE(media),
     ADD_TABLE(property)
 };
diff --git a/dlls/msi/tests/custom.c b/dlls/msi/tests/custom.c
index 7a3f01ed29a..b7da2b8fcc8 100644
--- a/dlls/msi/tests/custom.c
+++ b/dlls/msi/tests/custom.c
@@ -1804,3 +1804,32 @@ todo_wine
 
     return ERROR_SUCCESS;
 }
+
+static const GUID LIBID_register_test =
+    {0xeac5166a, 0x9734, 0x4d91, {0x87,0x8f, 0x1d,0xd0,0x23,0x04,0xc6,0x6c}};
+
+UINT WINAPI tl_present(MSIHANDLE hinst)
+{
+    ITypeLib *tlb;
+    HRESULT hr;
+
+    hr = LoadRegTypeLib(&LIBID_register_test, 7, 1, 0, &tlb);
+todo_wine_if(!MsiGetMode(hinst, MSIRUNMODE_SCHEDULED))
+    ok(hinst, hr == S_OK, "got %#x\n", hr);
+    if (tlb)
+        ITypeLib_Release(tlb);
+
+    return ERROR_SUCCESS;
+}
+
+UINT WINAPI tl_absent(MSIHANDLE hinst)
+{
+    ITypeLib *tlb;
+    HRESULT hr;
+
+    hr = LoadRegTypeLib(&LIBID_register_test, 7, 1, 0, &tlb);
+todo_wine_if(!MsiGetMode(hinst, MSIRUNMODE_SCHEDULED))
+    ok(hinst, hr == TYPE_E_LIBNOTREGISTERED, "got %#x\n", hr);
+
+    return ERROR_SUCCESS;
+}
diff --git a/dlls/msi/tests/custom.spec b/dlls/msi/tests/custom.spec
index eec6a43c0a1..058a9172f1f 100644
--- a/dlls/msi/tests/custom.spec
+++ b/dlls/msi/tests/custom.spec
@@ -45,3 +45,5 @@
 @ stdcall sis_absent(long)
 @ stdcall sss_started(long)
 @ stdcall sss_stopped(long)
+@ stdcall tl_present(long)
+@ stdcall tl_absent(long)