Several typos in comments and messages.

backend.native/tests/build.gradle

@@ -1245,7 +1245,7 @@ task link_default_libs(type: RunStandaloneKonanTest) {
 
 task link_testLib_explicitly(type: RunKonanTest) {
     dependsOn ':klib:installTestLibrary'
-    goldValue = "This is a side effect of a test library linked into the binary.\nYou should not be seing this.\n\nHello\n"
+    goldValue = "This is a side effect of a test library linked into the binary.\nYou should not be seeing this.\n\nHello\n"
     source = "link/omit/hello.kt"
     // We force library inclusion, so need to see the warning banner.
     flags = ['-l', 'testLibrary'] 

klib/build.gradle

@@ -27,8 +27,8 @@ dependencies {
 
 def dist = rootProject.file('dist').absolutePath
 
-// TODO: Ideally we want to write just konanArtifacts{} clouse here,
-// but we need to make Kotlin Native Gradle Plugin a dependence
+// TODO: Ideally we want to write just konanArtifacts{} clause here,
+// but we need to make Kotlin/Native Gradle Plugin a dependence
 // of our buildScripts first.
 task compileKonanTestLibrary(type: Exec) {
     dependsOn ':dist'

klib/src/testLibrary/kotlin/test_platform_lib.kt

@@ -2,7 +2,7 @@ package test.konan.platform
 
 fun produceMessage() {
     println("""This is a side effect of a test library linked into the binary.
-You should not be seing this.
+You should not be seeing this.
 """)
 }