Fix spotbugs and typos

Author: SachinAkash01

ballerina-to-openapi/src/main/java/io/ballerina/openapi/service/mapper/ServersMapperImpl.java

@@ -191,8 +191,7 @@ private static Server generateServer(String serviceBasePath, Optional<Parenthesi
         Server server = new Server();
 
         if (list.isPresent()) {
-            SeparatedNodeList<FunctionArgumentNode> args = list.get().arguments();
-            for (FunctionArgumentNode arg : args) {
+            for (FunctionArgumentNode arg : list.get().arguments()) {
                 if (arg instanceof NamedArgumentNode namedArg) {
                     ExpressionNode expr = namedArg.expression();
                     if (namedArg.argumentName().toString().trim().equals("port")) {

openapi-cli/src/test/java/io/ballerina/openapi/generators/openapi/ListenerTests.java

@@ -93,26 +93,26 @@ public void testListeners07() throws IOException {
 
     @Test(description = "Generate OpenAPI spec for listener with named port arguments")
     public void testListenerWithNamedPort() throws IOException {
-        Path ballerinaFilePAth = RES_DIR.resolve("listeners/listener_named_port.bal");
-        TestUtils.compareWithGeneratedFile(ballerinaFilePAth, "listeners/listener_named_port.yaml");
+        Path ballerinaFilePath = RES_DIR.resolve("listeners/listener_named_port.bal");
+        TestUtils.compareWithGeneratedFile(ballerinaFilePath, "listeners/listener_named_port.yaml");
     }
 
     @Test(description = "Generate OpenAPI spec for listener with positional port arguments")
     public void testListenerWithPositionalPort() throws IOException {
-        Path ballerinaFilePAth = RES_DIR.resolve("listeners/listener_positional_port.bal");
-        TestUtils.compareWithGeneratedFile(ballerinaFilePAth, "listeners/listener_positional_port.yaml");
+        Path ballerinaFilePath = RES_DIR.resolve("listeners/listener_positional_port.bal");
+        TestUtils.compareWithGeneratedFile(ballerinaFilePath, "listeners/listener_positional_port.yaml");
     }
 
     @Test(description = "Generate OpenAPI spec for listener with positional port arguments")
     public void testListenerWithNamedPortAndHost() throws IOException {
-        Path ballerinaFilePAth = RES_DIR.resolve("listeners/listener_named_port_and_host.bal");
-        TestUtils.compareWithGeneratedFile(ballerinaFilePAth, "listeners/listener_named_port_and_host.yaml");
+        Path ballerinaFilePath = RES_DIR.resolve("listeners/listener_named_port_and_host.bal");
+        TestUtils.compareWithGeneratedFile(ballerinaFilePath, "listeners/listener_named_port_and_host.yaml");
     }
 
     @Test(description = "Generate OpenAPI spec for listener with positional port arguments")
     public void testListenerWithNamedPortAndHostInConfig() throws IOException {
-        Path ballerinaFilePAth = RES_DIR.resolve("listeners/listener_named_port_host_config.bal");
-        TestUtils.compareWithGeneratedFile(ballerinaFilePAth, "listeners/listener_named_port_host_config.yaml");
+        Path ballerinaFilePath = RES_DIR.resolve("listeners/listener_named_port_host_config.bal");
+        TestUtils.compareWithGeneratedFile(ballerinaFilePath, "listeners/listener_named_port_host_config.yaml");
     }
 
     @AfterMethod