utests for hidden measure musicxml import

Author: asattely

src/importexport/musicxml/tests/musicxml_tests.cpp

@@ -586,9 +586,6 @@ TEST_F(Musicxml_Tests, helloReadCompr) {
 TEST_F(Musicxml_Tests, helloReadWriteCompr) {
     mxmlReadWriteTestCompr("testHello");
 }
-TEST_F(Musicxml_Tests, hiddenStaves) {
-    mxmlIoTest("testHiddenStaves");
-}
 TEST_F(Musicxml_Tests, implicitMeasure1) {
     mxmlIoTest("testImplicitMeasure1");
 }
@@ -964,3 +961,10 @@ TEST_F(Musicxml_Tests, words1) {
 TEST_F(Musicxml_Tests, words2) {
     mxmlIoTest("testWords2");
 }
+TEST_F(Musicxml_Tests, hiddenStaves)
+{
+    String fileName = String::fromUtf8("testHiddenStaves.xml");
+    MasterScore* score = readScore(XML_IO_DATA_DIR + fileName);
+
+    EXPECT_EQ(score->styleB(Sid::hideEmptyStaves), true);
+}