FIx a typo in testcase name

sterliakov · hauntsaninja · web-flow · commit 44ccc383e85f · 2025-01-10T16:57:58.000+01:00
Co-authored-by: Shantanu &lt;12621235+hauntsaninja@users.noreply.github.com&gt;
diff --git a/test-data/unit/check-multiple-inheritance.test b/test-data/unit/check-multiple-inheritance.test
@@ -707,7 +707,7 @@ class C41(B4, B1): ...
 class C42(B4, B2): ...
 class C43(B4, B3): ...
 
-[case testMultipleInheritanceExplcitDiamondResolution]
+[case testMultipleInheritanceExplicitDiamondResolution]
 # Adapted from #14279
 class A:
     class M:
