Considering receiverType on function test creation issue-2282 (#2987)

diff --git a/src/goGenerateTests.ts b/src/goGenerateTests.ts
index 7e8df75..1fbd717 100644
--- a/src/goGenerateTests.ts
+++ b/src/goGenerateTests.ts
@@ -98,9 +98,13 @@
 		return Promise.resolve(false);
 	}
 	let funcName = currentFunction.name;
-	if (funcName.includes('.')) {
-		funcName = funcName.split('.')[1];
+	const funcNameParts = funcName.match(/^\(\*?(.*)\)\.(.*)$/);
+	if (funcNameParts != null && funcNameParts.length === 3) {  // receiver type specified
+		const rType = funcNameParts[1].replace(/^\w/, (c) => c.toUpperCase());
+		const fName = funcNameParts[2].replace(/^\w/, (c) => c.toUpperCase());
+		funcName = rType + fName;
 	}
+
 	return generateTests({ dir: editor.document.uri.fsPath, func: funcName }, getGoConfig(editor.document.uri));
 }