Some simplifications, using UNO_QUERY_THROW

Change-Id: Iaf7b4695e7930b8e7fa5dd3736d19744afb52fa3
Reviewed-on: https://gerrit.libreoffice.org/34254Tested-by: Stephan Bergmann <sbergman@redhat.com>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

testtools/source/bridgetest/bridgetest.cxx

@@ -1155,11 +1155,7 @@ sal_Int32 TestBridgeImpl::run( const Sequence< OUString > & rArgs )
         {
             throw RuntimeException( "cannot get test object!" );
         }
-        Reference< XBridgeTest > xTest( xOriginal, UNO_QUERY );
-        if (! xTest.is())
-        {
-            throw RuntimeException( "test object does not implement XBridgeTest!" );
-        }
+        Reference< XBridgeTest > xTest( xOriginal, UNO_QUERY_THROW );
 
         Reference<XBridgeTest > xLBT;
         bRet = check( makeSurrogate( xLBT, xTest ), "makeSurrogate" );

testtools/source/performance/ubtest.cxx

@@ -554,9 +554,7 @@ static void benchmark(
     TimingSheet & rSheet, const Reference< XInterface > & xInstance, sal_Int64 nLoop )
     throw (Exception)
 {
-    Reference< XPerformanceTest > xBench( xInstance, UNO_QUERY );
-    if (! xBench.is())
-        throw RuntimeException("illegal test object!" );
+    Reference< XPerformanceTest > xBench( xInstance, UNO_QUERY_THROW );
 
     sal_Int64 i;
     sal_uInt32 tStart, tEnd;