[Wasm] Extract Fir compiler tests into :wasmFirCompilerTest task

This is needed to run K1 and K2 tests in parallel on separate CI agents

build.gradle.kts

@@ -671,13 +671,18 @@ tasks {
     }
 
     register("wasmCompilerTest") {
-        dependsOn(":wasm:wasm.tests:test")
+        dependsOn(":wasm:wasm.tests:testK1")
+        dependsOn(":wasm:wasm.tests:diagnosticTest")
         // Windows WABT release requires Visual C++ Redistributable
         if (!kotlinBuildProperties.isTeamcityBuild || !org.gradle.internal.os.OperatingSystem.current().isWindows) {
             dependsOn(":wasm:wasm.ir:test")
         }
     }
 
+    register("wasmFirCompilerTest") {
+        dependsOn(":wasm:wasm.tests:testFir")
+    }
+
     register("nativeCompilerTest") {
         dependsOn(":native:kotlin-native-utils:test")
     }

wasm/wasm.tests/build.gradle.kts

@@ -133,20 +133,37 @@ val generateTests by generator("org.jetbrains.kotlin.generators.tests.GenerateWa
     dependsOn(":compiler:generateTestData")
 }
 
-projectTest(
+fun Project.wasmProjectTest(
-    taskName = "test",
+    taskName: String,
+    body: Test.() -> Unit = {}
+): TaskProvider<Test> {
+    return projectTest(
+        taskName = taskName,
         parallel = true,
         jUnitMode = JUnitMode.JUnit5
     ) {
         workingDir = rootDir
-    include("**/diagnostics/*.class")
-    include("**/FirWasm*.class")
-    include("**/K1Wasm*.class")
-    include("**/Wasm*.class")
         setupV8()
         setupSpiderMonkey()
         useJUnitPlatform()
         setupWasmStdlib()
         setupGradlePropertiesForwarding()
         systemProperty("kotlin.wasm.test.root.out.dir", "$buildDir/")
+        body()
+    }
+}
+
+// Test everything
+wasmProjectTest("test")
+
+wasmProjectTest("testFir") {
+    include("**/Fir*.class")
+}
+
+wasmProjectTest("testK1") {
+    include("**/K1*.class")
+}
+
+wasmProjectTest("diagnosticTest") {
+    include("**/Diagnostics*.class")
 }