Fix test

Author: yschimke

okhttp/src/main/kotlin/okhttp3/internal/cache/CacheInterceptor.kt

@@ -290,11 +290,15 @@ class CacheInterceptor(internal val cache: Cache?) : Interceptor {
 }
 
 private fun Request.requestForCache(): Request {
-  return cacheUrlOverride?.let {
+  val cacheUrlOverride = cacheUrlOverride
+
+  return if (cacheUrlOverride != null && (method == "GET" || method == "POST")) {
     newBuilder()
       .get()
-      .url(it)
+      .url(cacheUrlOverride)
       .cacheUrlOverride(null)
       .build()
-  } ?: this
+  } else {
+    this
+  }
 }

okhttp/src/test/java/okhttp3/CacheTest.kt

@@ -1002,9 +1002,20 @@ class CacheTest {
     testRequestMethod("POST", false)
   }
 
+  @Test
+  fun requestMethodPostIsNotCachedUnlessOverriden() {
+    // Supported via cacheUrlOverride
+    testRequestMethod("POST", true, withOverride = true)
+  }
+
   @Test
   fun requestMethodPutIsNotCached() {
-    testRequestMethod("PUT", false, true)
+    testRequestMethod("PUT", false)
+  }
+
+  @Test
+  fun requestMethodPutIsNotCachedEvenWithOverride() {
+    testRequestMethod("PUT", false, withOverride = true)
   }
 
   @Test