Clean-up test structure update contributing

Author: saucow

CONTRIBUTING.md

@@ -31,12 +31,8 @@ make lint
 # Run all unit tests
 make test
 
-# Run integration tests (requires Docker plugin to be installed)
+# Run integration tests
 make integration
-
-# Run integration tests with console output
-docker buildx build --build-arg GO_LDFLAGS --build-arg DOCKER_MCP_PLUGIN_BINARY --target=test --progress=plain --no-cache .
-
 ```
 
 ### Unit Test Coverage

cmd/docker-mcp/tools/tools_test.go

@@ -320,7 +320,7 @@ func withSampleCatalog() option {
 	}
 }
 
-// Unit tests for utility functions
+// Unit tests for call
 
 func TestCallNoToolName(t *testing.T) {
 	err := Call(context.Background(), "2", []string{}, false, []string{})
@@ -352,6 +352,8 @@ func TestParseArgs(t *testing.T) {
 	assert.Equal(t, expected, result)
 }
 
+// Unit tests for list
+
 func TestToolDescription(t *testing.T) {
 	// Test that title annotation takes precedence over description
 	tool := &mcp.Tool{