Tests: fix test proj

src/tests/PascalCoinUnitTests.lpi

@@ -105,6 +105,13 @@
         <OptimizationLevel Value="4"/>
       </Optimizations>
     </CodeGeneration>
+    <Linking>
+      <Options>
+        <Win32>
+          <GraphicApplication Value="True"/>
+        </Win32>
+      </Options>
+    </Linking>
     <Other>
       <CustomOptions Value="-dUNITTESTS"/>
     </Other>