Fix update-ui-tests.sh (#2161)

Related #2013

Signed-off-by: Oliver Tale-Yazdi <[email protected]>

Author: ggwpez

scripts/update-ui-tests.sh

@@ -34,7 +34,7 @@ export SKIP_WASM_BUILD=1
 export TRYBUILD=overwrite
 
 # ./substrate
-$RUSTUP_RUN cargo test -p sp-runtime-interface ui
+$RUSTUP_RUN cargo test --manifest-path substrate/primitives/runtime-interface/Cargo.toml ui
 $RUSTUP_RUN cargo test -p sp-api-test ui
 $RUSTUP_RUN cargo test -p frame-election-provider-solution-type ui
 $RUSTUP_RUN cargo test -p frame-support-test ui