[CALCITE-6851] ShadingTest.validateShadedJar fails on first/clean build

Author: stoty

shaded/core/build.gradle.kts

@@ -87,6 +87,10 @@ tasks {
         enabled = false
         dependsOn(shadowJar)
     }
+
+    test {
+        dependsOn(shadowJar)
+    }
 }
 
 artifacts {

standalone-server/build.gradle.kts

@@ -111,6 +111,10 @@ tasks {
             }
         }
     }
+
+    test {
+        dependsOn(shadowJar)
+    }
 }
 
 artifacts {