diff --git a/tests/qemumonitorjsontest.c b/tests/qemumonitorjsontest.c
index 6e67a27a32..681bdfc452 100644
--- a/tests/qemumonitorjsontest.c
+++ b/tests/qemumonitorjsontest.c
@@ -1327,7 +1327,7 @@ GEN_TEST_FUNC(qemuMonitorJSONExpirePassword, "spice", "123456")
 GEN_TEST_FUNC(qemuMonitorJSONSetBalloon, 1024)
 GEN_TEST_FUNC(qemuMonitorJSONSetCPU, 1, true)
 GEN_TEST_FUNC(qemuMonitorJSONEjectMedia, "hdc", true)
-GEN_TEST_FUNC(qemuMonitorJSONChangeMedia, "hdc", "/foo/bar", NULL)
+GEN_TEST_FUNC(qemuMonitorJSONChangeMedia, "hdc", "/foo/bar", "formatstr")
 GEN_TEST_FUNC(qemuMonitorJSONSaveVirtualMemory, 0, 1024, "/foo/bar")
 GEN_TEST_FUNC(qemuMonitorJSONSavePhysicalMemory, 0, 1024, "/foo/bar")
 GEN_TEST_FUNC(qemuMonitorJSONSetMigrationSpeed, 1024)
@@ -1338,17 +1338,17 @@ GEN_TEST_FUNC(qemuMonitorJSONMigrate, QEMU_MONITOR_MIGRATE_BACKGROUND |
 GEN_TEST_FUNC(qemuMonitorJSONDump, "dummy_protocol", "elf",
               true)
 GEN_TEST_FUNC(qemuMonitorJSONGraphicsRelocate, VIR_DOMAIN_GRAPHICS_TYPE_SPICE,
-              "localhost", 12345, 12346, NULL)
+              "localhost", 12345, 12346, "certsubjectval")
 GEN_TEST_FUNC(qemuMonitorJSONAddNetdev, "id=net0,type=test")
 GEN_TEST_FUNC(qemuMonitorJSONRemoveNetdev, "net0")
 GEN_TEST_FUNC(qemuMonitorJSONDelDevice, "ide0")
 GEN_TEST_FUNC(qemuMonitorJSONAddDevice, "some_dummy_devicestr")
-GEN_TEST_FUNC(qemuMonitorJSONDriveMirror, "vdb", "/foo/bar", NULL, 1024, 0, 0,
+GEN_TEST_FUNC(qemuMonitorJSONDriveMirror, "vdb", "/foo/bar", "formatstr", 1024, 1234, 31234,
               VIR_DOMAIN_BLOCK_REBASE_SHALLOW | VIR_DOMAIN_BLOCK_REBASE_REUSE_EXT)
 GEN_TEST_FUNC(qemuMonitorJSONBlockStream, "vdb", "/foo/bar1", "backingfilename", 1024)
-GEN_TEST_FUNC(qemuMonitorJSONBlockCommit, "vdb", "/foo/bar1", "/foo/bar2", NULL, 1024)
+GEN_TEST_FUNC(qemuMonitorJSONBlockCommit, "vdb", "/foo/bar1", "/foo/bar2", "backingfilename", 1024)
 GEN_TEST_FUNC(qemuMonitorJSONDrivePivot, "vdb")
-GEN_TEST_FUNC(qemuMonitorJSONScreendump, NULL, 0, "/foo/bar")
+GEN_TEST_FUNC(qemuMonitorJSONScreendump, "devicename", 1, "/foo/bar")
 GEN_TEST_FUNC(qemuMonitorJSONOpenGraphics, "spice", "spicefd", false)
 GEN_TEST_FUNC(qemuMonitorJSONNBDServerStart, "localhost", 12345, "test-alias")
 GEN_TEST_FUNC(qemuMonitorJSONNBDServerAdd, "vda", true)