sw: drop redundant page-background test from ooxmlimport

Commit 515701a1 copy&pasted the test to
the ooxmlexport suite, which tests the import already.

Change-Id: I5f60b7c8f8b80189f66ac562f2c338344d91394f

sw/qa/extras/ooxmlimport/ooxmlimport.cxx

@@ -113,7 +113,6 @@ public:
     void testN592908_Picture();
     void testN779630();
     void testIndentation();
-    void testPageBackground();
     void testWatermark();
     void testPageBorderShadow();
     void testN816593();
@@ -198,7 +197,6 @@ void Test::run()
         {"n592908-picture.docx", &Test::testN592908_Picture},
         {"n779630.docx", &Test::testN779630},
         {"indentation.docx", &Test::testIndentation},
-        {"page-background.docx", &Test::testPageBackground},
         {"watermark.docx", &Test::testWatermark},
         {"page-border-shadow.docx", &Test::testPageBorderShadow},
         {"n816593.docx", &Test::testN816593},
@@ -1391,13 +1389,6 @@ void Test::testIndentation()
     CPPUNIT_ASSERT_EQUAL(text::WritingMode2::LR_TB, getProperty<sal_Int16>(xPropertySet, "WritingMode"));
 }
 
-void Test::testPageBackground()
-{
-    // The problem was that  <w:background w:color="92D050"/> was ignored.
-    uno::Reference<beans::XPropertySet> xPageStyle(getStyles("PageStyles")->getByName(DEFAULT_STYLE), uno::UNO_QUERY);
-    CPPUNIT_ASSERT_EQUAL(sal_Int32(0x92D050), getProperty<sal_Int32>(xPageStyle, "BackColor"));
-}
-
 void Test::testWatermark()
 {
     uno::Reference<drawing::XDrawPageSupplier> xDrawPageSupplier(mxComponent, uno::UNO_QUERY);