Rename `TestMethodDetector` to `TestMethodNameDetector` as suggested

lint/src/main/kotlin/com/google/samples/apps/nowinandroid/lint/NiaIssueRegistry.kt

@@ -25,9 +25,9 @@ class NiaIssueRegistry : IssueRegistry() {
 
     override val issues = listOf(
         DesignSystemDetector.ISSUE,
-        TestMethodDetector.UNDERSCORE,
-        TestMethodDetector.FORMAT,
-        TestMethodDetector.PREFIX,
+        TestMethodNameDetector.UNDERSCORE,
+        TestMethodNameDetector.FORMAT,
+        TestMethodNameDetector.PREFIX,
     )
 
     override val api: Int = CURRENT_API

lint/src/main/kotlin/com/google/samples/apps/nowinandroid/lint/TestMethodNameDetector.kt

@@ -40,7 +40,7 @@ import kotlin.io.path.Path
  * - [detectUnderscore] removes underscores in JVM unit test (and add backticks if necessary).
  * - [detectFormat] Checks the `given_when_then` format of Android instrumented tests (backticks are not supported).
  */
-class TestMethodDetector : Detector(), SourceCodeScanner {
+class TestMethodNameDetector : Detector(), SourceCodeScanner {
 
     override fun applicableAnnotations() = listOf("org.junit.Test")
 
@@ -131,7 +131,7 @@ class TestMethodDetector : Detector(), SourceCodeScanner {
             priority = 5,
             severity = WARNING,
             implementation = Implementation(
-                TestMethodDetector::class.java,
+                TestMethodNameDetector::class.java,
                 EnumSet.of(JAVA_FILE, TEST_SOURCES),
             ),
         )

lint/src/test/kotlin/com/google/samples/apps/nowinandroid/lint/TestMethodNameDetectorTest.kt

@@ -19,12 +19,12 @@ package com.google.samples.apps.nowinandroid.lint
 import com.android.tools.lint.checks.infrastructure.TestFile
 import com.android.tools.lint.checks.infrastructure.TestFiles.kotlin
 import com.android.tools.lint.checks.infrastructure.TestLintTask.lint
-import com.google.samples.apps.nowinandroid.lint.TestMethodDetector.Companion.FORMAT
-import com.google.samples.apps.nowinandroid.lint.TestMethodDetector.Companion.PREFIX
-import com.google.samples.apps.nowinandroid.lint.TestMethodDetector.Companion.UNDERSCORE
+import com.google.samples.apps.nowinandroid.lint.TestMethodNameDetector.Companion.FORMAT
+import com.google.samples.apps.nowinandroid.lint.TestMethodNameDetector.Companion.PREFIX
+import com.google.samples.apps.nowinandroid.lint.TestMethodNameDetector.Companion.UNDERSCORE
 import org.junit.Test
 
-class TestMethodDetectorTest {
+class TestMethodNameDetectorTest {
 
     @Test
     fun `detect prefix`() {