Tests: fix RandomHash expansion-phase tests

src/tests/PascalCoinUnitTests.lpi

@@ -32,7 +32,7 @@
         <PackageName Value="FCL"/>
       </Item3>
     </RequiredPackages>
-    <Units Count="12">
+    <Units Count="13">
       <Unit0>
         <Filename Value="PascalCoinUnitTests.lpr"/>
         <IsPartOfProject Value="True"/>
@@ -83,6 +83,10 @@
         <Filename Value="URandomHashTests.pas"/>
         <IsPartOfProject Value="True"/>
       </Unit11>
+      <Unit12>
+        <Filename Value="..\libraries\sphere10\UCommon.Collections.pas"/>
+        <IsPartOfProject Value="True"/>
+      </Unit12>
     </Units>
   </ProjectOptions>
   <CompilerOptions>

src/tests/PascalCoinUnitTests.lpr

@@ -6,7 +6,7 @@ uses
   Interfaces,
   Forms,
   GuiTestRunner,
-  URandomHashTests;
+  URandomHashTests, UCommon.Collections;
 
 {$R *.res}