@Test
	void getGroupedOpenapi_shouldCustomizeFromPropertiesWithGroupNamePrefix() throws Exception {
		String result = mockMvc.perform(get("/v3/api-docs/apiGroupName"))
				.andExpect(status().isOk())
				.andReturn().getResponse().getContentAsString();
		String expected = getContent("results/3.1.0/app212-grouped.json");
		assertEquals(expected, result, true);
	}
The type Spring doc app 192 test.
<p>
A test for {@link SpecPropertiesCustomizer}
springdoc-openapi-starter-webmvc-api/src/test/java/test/org/springdoc/api/v31/app212/SpringDocApp212Test.java