test-runtime: json_patch dep removed (paritytech#3062)

We don't need dependency on `json_patch` there is implementation of
needed function in `sc_chain_spec` crate.
This PR makes this function publicly available and removes the dep.

substrate/client/chain-spec/src/lib.rs

@@ -338,6 +338,7 @@ pub use self::{
 		GenesisBlockBuilder,
 	},
 	genesis_config_builder::GenesisConfigBuilderRuntimeCaller,
+	json_patch::merge as json_merge,
 };
 pub use sc_chain_spec_derive::{ChainSpecExtension, ChainSpecGroup};
 

substrate/test-utils/runtime/Cargo.toml

@@ -56,12 +56,12 @@ log = { version = "0.4.17", default-features = false }
 [dev-dependencies]
 futures = "0.3.21"
 sc-block-builder = { path = "../../client/block-builder" }
+sc-chain-spec = { path = "../../client/chain-spec" }
 sc-executor = { path = "../../client/executor" }
 sc-executor-common = { path = "../../client/executor/common" }
 sp-consensus = { path = "../../primitives/consensus/common" }
 substrate-test-runtime-client = { path = "client" }
 sp-tracing = { path = "../../primitives/tracing" }
-json-patch = { version = "1.0.0", default-features = false }
 serde = { version = "1.0.195", features = ["alloc", "derive"], default-features = false }
 serde_json = { version = "1.0.111", default-features = false, features = ["alloc"] }
 

substrate/test-utils/runtime/src/lib.rs

@@ -1410,7 +1410,7 @@ mod tests {
 				}
 			});
 
-			json_patch::merge(&mut default_config, &patch);
+			sc_chain_spec::json_merge(&mut default_config, patch);
 
 			// Build genesis config using custom json:
 			let mut t = BasicExternalities::new_empty();